Issued Patents All Time
Showing 76–100 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5977566 | Compound semiconductor light emitter | Haruhiko Okazaki | 1999-11-02 |
| 5806326 | Refrigeration cycle | Hisao Wakabayashi, Hironao Numoto, Shinji Watanabe, Akira Fujitaka, Kanji Haneda +3 more | 1998-09-15 |
| 5793826 | Control rod drive mechanism | Yoshifumi Sato, Nobuyuki Tanaka | 1998-08-11 |
| 5726759 | Image forming apparatus | Tsuyoshi Kunishi, Mitsuka Abe, Yuichiro Toyohara | 1998-03-10 |
| 5697290 | Apparatus for intermittently discharging a circular or oval shaped dough sheet | Michio Morikawa | 1997-12-16 |
| 5688534 | Apparatus for intermittently extruding a predetermined quantity of food material | Michio Morikawa | 1997-11-18 |
| 5677803 | Apparatus for recording data signals and a signal having a repetitive frequency to a recording medium and/or for reproducing the data signals therefrom | Tadashi Ozue | 1997-10-14 |
| 5624696 | Apparatus for intermittently extruding a predetermined quantity of food material | Michio Morikawa | 1997-04-29 |
| 5576087 | Magneto-optical recording medium | Shinichi Tachibana | 1996-11-19 |
| 5502650 | Apparatus for adjusting rotor | Katsuhiko Naruse, Shinzou Ogawa, Fukumi Shimizu | 1996-03-26 |
| 5422338 | Layer-by-layer vapor deposition method for forming a high Tc superconductor thin film device | — | 1995-06-06 |
| 5418389 | Field-effect transistor with perovskite oxide channel | — | 1995-05-23 |
| 5293040 | Method and apparatus for measuring vibrations of rotating shaft | Fukumi Shimizu, Katsuhiko Naruse | 1994-03-08 |
| 5181218 | Manufacturing method of semiconductor laser with non-absorbing mirror structure | Masayuki Ishikawa, Hajime OKUDA, Hideo Shiozawa, Kazuhiko Itaya, Mariko Suzuki +1 more | 1993-01-19 |
| 5058120 | Visible light emitting semiconductor laser with inverse mesa-shaped groove section | Koichi Nitta, Yukie Nishikawa, Masaki Okajima, Genichi Hatakoshi | 1991-10-15 |
| 5036521 | Semiconductor laser device | Genichi Hatakoshi, Kazuhiko Itaya, Shigeya Naritsuka, Masayuki Ishikawa, Hajime OKUDA +4 more | 1991-07-30 |
| 5023880 | Semiconductor laser device | Mariko Suzuki, Kazuhiko Itaya, Masayuki Ishikawa, Genichi Hatakoshi | 1991-06-11 |
| 4999217 | Process for producing magnetic recording medium | Shigeru Hashimoto, Nobuyuki Hosoi | 1991-03-12 |
| 4987096 | Manufacturing method of semiconductor laser with non-absorbing mirror structure | Masayuki Ishikawa, Hajime OKUDA, Hideo Shiozawa, Kazuhiko Itaya, Mariko Suzuki +1 more | 1991-01-22 |
| 4949349 | Double-heterostructure semiconductor with mesa stripe waveguide | Yasuo Ohba, Niyoko Watanabe, Hideto Sugawara, Masayuki Ishikawa, Motoyuki Yamamoto | 1990-08-14 |
| 4923766 | Process for preparing magnetic recording | Nobuyuki Hosoi, Shigeru Hashimoto, Hiroshi Yoshida, Yasuo Mukai, Michiko Yamamoto | 1990-05-08 |
| 4910743 | Semiconductor laser with mesa stripe waveguide structure | Yasuo Ohba, Masayuki Ishikawa, Motoyuki Yamamoto, Hideto Sugawara | 1990-03-20 |
| 4900927 | Method of and apparatus for recording and reading out radiation image information | Tsutomu Kimura | 1990-02-13 |
| 4893313 | Semiconductor laser device which has a double-hetero structure having an optimal layer thickness | Genichi Hatakoshi, Kazuhiko Itaya, Shigeya Naritsuka, Masayuki Ishikawa, Hajime OKUDA +4 more | 1990-01-09 |
| 4873441 | Method of and apparatus for recording and reading out radiation image information | Tsutomu Kimura | 1989-10-10 |