Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11989623 | Quantum computer and quantum state controlling method in quantum computer | — | 2024-05-21 |
| 11451524 | Network system interface for controlling confidential information | — | 2022-09-20 |
| 11341425 | Computing apparatus incorporating quantum effects that performs high-speed computation on inverse problems or computational optimization problems requiring exhaustive search | Kenzo Kurotsuchi | 2022-05-24 |
| 10318607 | Computer and computing program | — | 2019-06-11 |
| 10305681 | High-security communication system, and transmitter and receiver both used therein | — | 2019-05-28 |
| 9952830 | Discrete computation computer and computation program | — | 2018-04-24 |
| 9633715 | Semiconductor device capable of attaining ground state in an ising model | Chihiro Yoshimura, Masanao Yamaoka, Tomonori Sekiguchi | 2017-04-25 |
| 8934633 | Encrypted communication system, transmitter and receiver using same | — | 2015-01-13 |
| 8582770 | Cryptographic communication system | — | 2013-11-12 |
| 8121489 | Optical transmitting and receiving system | — | 2012-02-21 |
| 7865086 | Optical transponder for secure optical communications and optical quadrature-measuring instrument | — | 2011-01-04 |
| 7756385 | Antisqueezed light generator | — | 2010-07-13 |
| 7738793 | Secure optical communication system | — | 2010-06-15 |
| 7596322 | Cryptographic-key-generation communication system | Shinya Sasaki, Kiyotaka Hammura | 2009-09-29 |
| 7539422 | Quantum optical transmission device | — | 2009-05-26 |
| 7457548 | Quantum optical transmission device and quantum optical generator device therefor | — | 2008-11-25 |
| 6931189 | Optical waveguides and optical devices with optical waveguides | Youngkun Lee, Kazuhiko Hosomi, Toshio Katsuyama | 2005-08-16 |
| 6879766 | Photonic crystal and photonic-crystal waveguide | — | 2005-04-12 |
| 6778579 | Solid-state laser compensated for pumping-light astigmatism | Hrvoje Petek | 2004-08-17 |
| 6754248 | Solid-state laser and optical transmitter | Hrvoje Petek | 2004-06-22 |
| 6587278 | Optical interferometer and signal synthesizer using the interferometer | Susumu Ogawa, Hrvoje Petek, Hisashi Nagano, Albert P. Heberle | 2003-07-01 |
| 6560267 | Solid-state laser and optical transmitter | Hrvoje Petek | 2003-05-06 |
| 6389053 | Solid-state laser compensated for pumping-light astigmatism | Hrvoje Petek | 2002-05-14 |
| 6307872 | Compact solid-state laser and transmitter using the same | Hrvoje Petek | 2001-10-23 |
| 6229835 | Compact solid-state laser and transmitter using the same | Hrvoje Petek | 2001-05-08 |