Hendrik Hamann  Hendrik Hamann photo       

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Distinguished Researcher and Senior Manager for Physical Analytics
Thomas J. Watson Research Center, Yorktown Heights, NY USA
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Professional Associations

Professional Associations:  American Physical Society  |  IEEE   |  New York Academy of Science


1. US Patent: 9,179,610 H.F. Hamann , L.L. Klein, S.A. Bermudez, M.A. Schappert, A.G Schrott
Controllable emitter

2. US Patent: 9,176,483 T.A. Bentivegna, B.L. Brech, R. Das, M.V. Devarakonda, H.F. Hamann, J.O. Kephart, B.W. Lehman, J. Lenchner, C.L. Molloy                                                                  
Unified and flexible control of multiple data center cooling mechanisms

3. US Patent: 9,173,354 H.F. Hamann, L.I. Klein, S.A. Bermudez , M.A. Schappert
Irrigation system and method

4. US Patent: 9,173,353 H.F. Hamann, L.I. Klein, S.A. Bermudez , M.A. Schappert
Irrigation system

5. US Patent: 9,167,757 H.F. Hamann, L.I. Klein, S.A. Bermudez , M.A. Schappert
Irrigation system and method

6. US Patent: 9,149,011 H.F. Hamann , L.L. Klein, S.A. Bermudez, M.A. Schappert, A.G Schrott
Controllable emitter

7. US Patent: 9,146,544 T.A. Bentivegna, B.L. Brech, R. Das, M.V. Devarakonda, H.F. Hamann, J.O. Kephart, B.W. Lehman, J. Lenchner, C.L. Molloy
Unified and flexible control of multiple data center cooling mechanisms

8. US Patent: 9,109,989 H.F. Hamann, L. I. Klein
Corrosion detector apparatus for universal assessment of pollution in data centers

9. US Patent: 9,070,274 S.A. Bermudez, H.F. Hamann, F.J. Marianno
Method for early detection of cooling-loss events

10. US Patent: 8,999,458 S. Guha, H.F. Hamann, H.M. Marchman
Method and apparatus for fabricating or altering microstructures using local chemical alterations

11. US Patent: 8,964,375 A.Claassen, H.F. Hamann, M.K. Iyengar, J.A. Lacey, Y.C. Martin, R.R. Schmidt, T.G. van Kessel
Techniques for data center cooling

12. US Patent: 8,949,040 S.J. Chey, H.F. Hamann, L. Klein, M.A. Schappert, A. Stepanchuk
Methods and apparatus for managing corrosion in buildings

13. US Patent: 8,849,630 H.F. Hamann, Y. Amemiya, W. Hirt, Ying Hung, Jing Shen
Techniques to predict three-dimensional thermal distributions in real-time

14. US Patent: 8,827,547 M. R. Archibald, R. C. Chu, H. F. Hamann, M. K. Iyengar, R. R. Schmidt
Fluid distribution apparatus and method facilitating cooling of electronics rack(s) and simulating heated airflow exhaust of electronic rack(s) 

15. US Patent: 8,796,596 S. Guha, H.F. Hamann
Heater and memory cell, memory device and recording head including heater

16. US Patent: 8,731,883 H.F. Hamann, M.K. Iyengar, T.G. van Kessel
Techniques for thermal modeling of data centers to improve energy efficiency

17. US Patent: 8,723,534 S.J. Chey, H.F. Hamann, L.I. Klein, M.A. Schappert, P. Singh                
Methods and apparatus for detection of gaseous corrosive contaminants

18. US Patent: 8,718,939 H.F. Hamann, L.I. Klein, A. Stepanchuk
Method and apparatus for three dimensional dynamic measurements in water system

19. US Patent: 8,643,390 H.F. Hamann, L.I. Klein, M.A. Schappert, M. Alan, P. Singh
Corrosion sensors

20. US Patent: 8,636,406 H.F. Hamann, M.K. Iyengar. J.A. Lacey, R.R. Schmidt
Apparatus for thermal characterization under non-uniform heat load

21. US Patent: 8,630,724 H.F. Hamann, J. Lenchner, A, Stepanchuk
Measurement and management technology platform

22. US Patent: 8,606,060 H.F. Hamann, S.J. Sharee, M.P. O’Boyle, Y.A. Vlasov
Method and apparatus for dynamic manipulation and dispersion in photonic crystal devices

23. US Patent: 8,594,985 H.F. Hamann, V. Lopez-Marrero
Techniques for determining physical zones of influence

24. US Patent: 8,593,815 A. Claassen, H.F. Hamann, M.K. Iyengar, J.A. Lacey, Y.C. Martin, R.R. Schmidt, T.G. van Kessel
Techniques for data center cooling

25. US Patent: 8,521,449 H.F. Hamann, L. Klein
Three dimensional air flow sensors for data center cooling

26. US Patent: 8,457,938 M.R. Archibald, H.F. Hamann, M.K. Iyengar, R. R. Schmidt
Apparatus and method for simulating one or more operational characteristics of an electronics rack

27. US Patent: 8,439,561 M.R. Archibald, R.C. Chu, H.F. Hamann, M.K. Iyengar, R. R. Schmidt
Fluid distribution apparatus and method facilitating cooling of electronics rack(s) and simulating heated airflow exhaust of electronics rack(s)

28. US Patent: 8,390,306 H.F. Hamann, L. Klein, M. Schappert, P. Singh
Corrosion sensors

29. US Patent: 8,347,729 T. Barwicz, H.F. Hamann, L. Klein
Piezoresistive strain sensor based nanowire mechanical oscillator

30. US Patent: 8,308,968 G.M. Cohen, H.F. Hamann
Monolithic high aspect ratio nano-size scanning probe microscope (SPM) tip formed by nanowire growth

31. US Patent: 8,306,794 H.F. Hamann, M.K. Iyengar, T.G. v. Kessel
Techniques for thermal modeling of data centers to improve energy efficiency

32. US Patent: 8,283,636 H.F. Hamann, S. Ingvarsson, J.A. Lacey
Thermally excited near-field source

33. US Patent: 8,244,502 H.F. Hamann, R. Lloyd, W. Min
Knowledge-based models for data centers

34. US Patent: 8,229,713 H.F. Hamann, V. Lopez-Marrero, A. Stepanchuk
Methods and techniques for creating and visualizing thermal zones

35. US Patent: 8,220,068 G.M. Cohen, H.F. Hamann
Monolithic high aspect ratio nano-size scanning probe microscope (SPM) tip formed by nanowire growth

36. US Patent: 8,210,741 H.F. Hamann, I.K. Madhusudan, J.A. Lacey. R.R. Schmidt
Apparatus for thermal characterization under non-uniform heat load

37. US Patent: 8,181,594 S. Guha, H.F. Hamann, H.M. Marchman, R.J. von Gutfeld
Method and apparatus for fabricating or altering microstructures using local chemical alterations

38. US Patent: 8,173,965 H.F. Hamann, S. Ingvarsson, J.A. Lacey
Thermally excited near-field source

39. US Patent: 8,098,968 W.M.J. Green, H.F. Hamann
Silicide thermal heaters for silicon-on-insulator nanophotonic devices

40. US Patent: 8,038,343 H.F. Hamann, M.K. Iyengar, J.A. Lacey, R.R. Schmidt
Apparatus for thermal characterization under non-uniform heat load

41. US Patent: 8,029,186 H.F. Hamann, M.K. Iyengar, J.A. Lacey, R.R. Schmidt
Method for thermal characterization under non-uniform heat load

42. US Patent: 8,026,560 A. Afzali, S. Gowda, S. Guha, H.F. Hamann, E. Tutuc
Ultra-sensitive detection techniques

43. US Patent: 8,020,390 H.F. Hamann, M.K. Iyengar, T.G. van Kessel
Cooling infrastructure leveraging a combination of free and solar cooling

44. US Patent: 8,009,430 A. Claassen, H.F. Hamann, M.K. Iyengar, J.A. Lacey, Y.C. Martin, R.R. Schmidt, T.G. van Kessel
Techniques for data center cooling

45. US Patent: 7,998,788 S. Guha, H.F. Hamann, E. Tutuc
Techniques for use of nanotechnology in photovoltaics

46. US Patent: 7,979,250 M.R. Archibald, R.C. Chu, H.F. Hamann, M.K. Iyengar, R.R. Schmidt
Method of laying out a data center using a plurality of thermal simulators

47. US Patent: 7,977,690 S. Guha, H.F. Hamann, E. Tutuc
Techniques for use of nanotechnology in photovoltaics

48. US Patent: 7,888,753 A. Afzali, S. Gowda, S. Guha, H.F. Hamann, E. Tutuc
Ultra-sensitive detection techniques

49. US Patent: 7,886,172 P. Bose, C-Y. Cher, H. Franke, H.F. Hamann, E. Kursun, A.J. Weger
Method of virtualization and OS-level thermal management and multithreaded processor with virtualization and OS-level thermal management

50. US Patent: 7,847,222 S. Guha, H.F. Hamann
Heater and memory cell, memory device and recording head including the heater

51. US Patent: 7,832,925 M.R. Archibald, R.C. Chu, H.F. Hamann, M.K. Iyengar, R.R. Schmidt
Apparatus and method for simulating heated airflow exhaust of an electronics subsystem, electronics rack or row of electronics racks

52. US Patent: 7,759,630 H.F. Hamann, C.C. Poon, T.C. Strand
Method and apparatus for the generation and control of multiple near-field light sources at subwavelength resolution

53. US Patent: 7,756,667 H.F. Hamann, M.K. Iyengar, J.A. Lacey, M.P. O’Boyle, R.R. Schmidt
Apparatus for three-dimensional measurements of physical characteristics within a data center

54. US Patent: 7,739,073 H.F. Hamann, M.K. Iyengar, J.A. Lacey, M.P. O’Boyle, R.R. Schmidt
Method and apparatus for three-dimensional measurements of physical characteristics within a data center

55. US Patent: 7,698,114 H.F. Hamann, J.A. Lacey, J. Wakil, A.C. Weger
Techniques for distributing power in electronic circuits and computer systems

56. US Patent: 7,684,666 H.F. Hamann, Y. Vlasov, F. Xia
Method and apparatus for tuning an optical delay line

57. US Patent: 7,651,260 H.F. Hamann, M.K. Iyengar, J.A. Lacey, R.R. Schmidt
Apparatus for thermal characterization under non-uniform heat load

58. US Patent: 7,572,300 G.M. Cohen, H.F. Hamann
Monolithic high aspect ratio nano-size scanning probe microscope (SPM) tip formed by nanowire growth

59. US Patent: 7,485,891 H.F. Hamann, C.H. Lam, M.L. Steen, H.-S. P. Wong
Multi-bit phase change memory cell and multi-bit phase change memory including the same, method of forming a multi-bit phase chance memory, and method of programming a multi-bit phase change memory

60. US Patent: 7,469,039 H.F. Hamann, Y. Martin, T.G. van Kessel, H.K. Wickramasinghe
Device and method for generating an x-ray point source by geometric confinement

61. US Patent: 7,429,552 A. Afzali-Adrakani, H.F, Hamann, P. Chaudhari, R. von Gutfeld
System and method of transfer printing an organic semiconductor

62. US Patent: 7,366,632 H.F. Hamann, M. Iyengar, J.A. Lacey, M.P. O'Boyle, R.R. Schmidt
Method and apparatus for three-dimensional measurements

63. US Patent: 7,329,361 S. Guha, H.F. Hamann, H.M. Marchman, R.J. von Gutfeld
Method and apparatus for fabricating or altering microstructures using local chemical alterations

64. US Patent: 7,280,297 H.F. Hamann, Y.C. Martin, H.K. Wickramasinghe
Optical storage system using an antenna for recording information data to a phase-change type medium

65. US Patent: 7,262,936 H.F. Hamann, P. Kasiraj, J.S. Lille, Y.C. Martin, C.C. Poon, N.L. Robertson, J.-U. Thiele, H.K. Wickramasinghe
Heating device and magnetic recording head for thermally-assisted recording

66. US Patent: 7,176,484 A. Afzali-Ardakani, H.F. Hamann, J.A. Lacey, D.R. Medeiros, P. Chaudari, R.J. von Gutfeld
Use of an energy source to convert precursors into patterned semiconductors

67. US Patent: 7,167,806 H.F. Hamann, J.A. Lacey, M.P. O’Boyle, J.A. Wakil. A.J. Weger
Method and system for measuring temperature and power distribution of a device

68. US Patent: 7,133,254 H.F. Hamann, C.C. Poon, M.P. Salo, H.K. Wickramasinghe
Magnetic recording head with heating device

69. US Patent: 7,130,379 H.F. Hamann, Y.C. Martin, T.G. van Kessel, H.K. Wickramasinghe
Device and method for generating an x-ray point source by geometric confinement

70. US Patent: 7,130,141 S.J. Chey, H.F. Hamann, M.P. O’Boyle, H.K. Wickramasinghe
Assembly for thermal and/or thermally-assisted information processing

71. US Patent: 7,129,560 H.F. Hamann, M.P. O’Boyle, H.K. Wickramasinghe
Thermal memory cell and memory device including the thermal memory cell

72. US Patent: 7,068,865 H.F. Hamann, S.J. McNabb, M.P.O’Boyle, Y.A. Vlasov
Method and apparatus for thermo-optic modulation of optical signals

73. US Patent: 7,063,127 J.D. Gelorme, H.F. Hamann, N.C. LaBianca, Y.C. Martin, T.G. van Kessel
Method and apparatus for chip-cooling

74. US Patent: 7,005,665 S.S. Furkay, H.F. Hamann, J.B. Johnson, C.H. Lam, P.H.-S. Wong
Phase change memory cell on silicon-on insulator substrate

75. US Patent: 6,981,147 K.R. Coffey, H.F. Hamann, J.-U. Thiele, H. K. Wickramasinghe
Assembly comprising adjustable heat flux mechanism for thermally assisted/thermal information processing and control

76. US Patent: 6,943,444 R.J. von Gutfeld, H.F. Hamann, M. Prikes
Cooling of surface temperature of a device

77. US Patent: 6,928,380 S.J. Chey, H.F. Hamann, J.A. Lacey, J. Vichiconti, R.J. von Gutfeld
Thermal measurements of electronic devices during operation

78. US Patent: 6,920,088 H.K. Wickramasinghe, H.F. Hamann, Y. Martin
Assembly for writing and/or erasing high density data on a media

79. US Patent: 6,918,982 A. Afzali-Ardakani, P. Chaudhari, H.F. Hamann, R.J. von Gutfeld
System and method of transfer printing an organic semiconductor

80. US Patent: 6,866,898 J.E.E. Baglin, H. F. Hamann, S. Sun
Method and apparatus for linking and/or patterning self-assembled objects

81. US Patent: 6,771,445 H. F. Hamann, Y. Martin, H.K. Wickramasinghe
Assembly and method suitable for thermo-magnetic writing/reading of data

82. US Patent: 6,757,235 H. F. Hamann, Y. Martin, H.K. Wickramasinghe
Assembly suitable for reading data based on thermal coupling

83. US Patent: 6,702,186 H. F. Hamann, Y. Martin, H.K. Wickramasinghe
Assembly comprising a plurality of media probes for writing/reading high density magnetic data

84. US Patent: 6,532,125 H. F. Hamann, Y. Martin, H.K. Wickramasinghe
Apparatus and method suitable for magnetic thermal recording

85. US Patent: 6,597,639 H. F. Hamann, Y. Martin, H.K. Wickramasinghe
An assembly suitable for writing high density data on a ferroelectric media

86. US Patent: 6,566,665 J.E.E. Baglin, H. F. Hamann, S. Sun
Method and apparatus for linking and/or patterning self-assembled objects

87. US Patent: 6,510,120 H. F. Hamann, Y. Martin, H.K. Wickramasinghe
A method for writing and/or erasing high density data on a media

88. US Patent: 6,433,310 H. F. Hamann, Y. Martin, H.K. Wickramasinghe
Assembly suitable for reading/writing/erasing information on a media based on thermal coupling