Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590710 | Fabry-Perot filter, wavelength-selective infrared detector and infrared gas analyzer using the filter and detector | Hitosh Hara, Naoki Kishi, Makoto Noro, Kentaro Suzuki | 2003-07-08 |
| 5583446 | Electro-optically controlled measurement probe system | Koichiro Takeuchi, Yukio Kasahara, Akira Miura, Tadashi Sugiyama | 1996-12-10 |
| 5289494 | Distributed feedback semiconductor laser | Kunio Tada, Yoshiaki Nakano, Takeshi Inoue, Yi Luo, Takeshi Irita +1 more | 1994-02-22 |
| 5189309 | Avalanche photodiode with AliNAsP cap layer | Morio Wada, Masahito Seko, Youichi Sekiguchi | 1993-02-23 |
| 5077752 | Semiconductor laser | Kunio Tada, Yoshiaki Nakano, Yi Luo, Takeshi Inoue, Haruo Hosomatsu | 1991-12-31 |
| 5061030 | Optical integrated modulator | Hiroshi Miyamoto | 1991-10-29 |
| 4912526 | Optical frequency synthesizer/sweeper | Akira Ohte, Koji Akiyama | 1990-03-27 |
| 4893353 | Optical frequency synthesizer/sweeper | Akira Ohte, Koji Akiyama | 1990-01-09 |
| 4856899 | Optical frequency analyzer using a local oscillator heterodyne detection of incident light | Akira Ohte, Koji Akiyama | 1989-08-15 |
| 4833681 | Semiconductor laser wavelength stabilizer | Koji Akiyama, Akira Ohte | 1989-05-23 |
| 4772843 | Time measuring apparatus | Takao Asaka, Yuji Yamaguchi | 1988-09-20 |
| 4768847 | Hologram scanner | Takahiro Shiozawa | 1988-09-06 |
| 4716370 | Coil arrangement for producing static magnetic field | Yuji Inoue, Tadashi Sugiyama | 1987-12-29 |
| 4700136 | NMR imaging apparatus | Keiki Yamaguchi, Tadashi Sugiyama, Yuji Inoue | 1987-10-13 |
| 4700138 | Automatic gain control apparatus for NMR imaging system | Toru Shimazaki, Yoshihiko Watanabe | 1987-10-13 |
| 4694250 | Nuclear magnetic resonance imaging device | Tadashi Sugiyama, Hiroyuki Matsuura, Takaaki Hirata | 1987-09-15 |
| 4684889 | NMR apparatus compensated for primary field changes | Keiki Yamaguchi, Kazuya Hoshino | 1987-08-04 |
| 4665368 | NMR imaging apparatus | Tadashi Sugiyama, Hiroyuki Matsuura | 1987-05-12 |
| 4663592 | NMR image forming apparatus | Keiki Yamaguchi, Yuji Inoue, Tadashi Sugiyama | 1987-05-05 |
| 4651097 | Examination method and apparatus utilizing nuclear magnetic resonance | Tadashi Sugiyama, Hiroyuki Matsuura | 1987-03-17 |
| 4629886 | High resolution digital diffraction grating scale encoder | Koji Akiyama | 1986-12-16 |
| 4623864 | Magnetic field production coil for nuclear magnetic resonance imaging apparatus | Yuji Inoue | 1986-11-18 |
| 4584548 | Magnetic field generating coil assembly for nuclear magnetic resonance imaging apparatus | Yuji Inoue, Tadashi Sugiyama | 1986-04-22 |
| 4536712 | Method and apparatus for examination by nuclear magnetic resonance | Kenji Fujino, Tadashi Sugiyama, Hiroyuki Matsuura | 1985-08-20 |