Issued Patents All Time
Showing 176–193 of 193 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065404 | Transverse-mode oscillation semiconductor laser device | Masaki Okajima, Genichi Hatakoshi, Yutaka Uematsu, Nawoto Motegi | 1991-11-12 |
| 5048035 | Semiconductor light emitting device | Hideto Sugawara, Yoshihiro Kokubun, Yukie Nishikawa, Shigeya Naritsuka | 1991-09-10 |
| 5045652 | Disconnector of gas insulated switchgear | Satoru Yanabu, Susumu Nishiwaki, Hirokuni Aoyagi | 1991-09-03 |
| 5036521 | Semiconductor laser device | Genichi Hatakoshi, Kazuhiko Itaya, Shigeya Naritsuka, Hajime OKUDA, Hideo Shiozawa +4 more | 1991-07-30 |
| 5034957 | Semiconductor laser device | Yasuo Ohba, Yukie Nishikawa, Hajime OKUDA, Hideto Sugawara, Hideo Shiozawa +1 more | 1991-07-23 |
| 5023880 | Semiconductor laser device | Mariko Suzuki, Kazuhiko Itaya, Yukio Watanabe, Genichi Hatakoshi | 1991-06-11 |
| 4994932 | Superconducting current limiting apparatus | Masaru Okamoto, Hitoshi Mizoguchi, Hisatoshi Ikeda, Katsumi Suzuki, Susumu Nishiwaki +3 more | 1991-02-19 |
| 4990806 | Pulse motor | Hiroshi Kikuchi, Jiro Tanuma, Tadashi Kasai | 1991-02-05 |
| 4987096 | Manufacturing method of semiconductor laser with non-absorbing mirror structure | Hajime OKUDA, Hideo Shiozawa, Kazuhiko Itaya, Yukio Watanabe, Mariko Suzuki +1 more | 1991-01-22 |
| 4987097 | Method of manufacturing a semiconductor laser device | Koichi Nitta, Yukie Nishikawa, Yasuhiko Tsuburai, Yoshihiro Kokubun | 1991-01-22 |
| 4975607 | Frequency generator with superimposed generation coil | Masayoshi Hara, Shinichi Niwa, Yukio Okada | 1990-12-04 |
| 4949349 | Double-heterostructure semiconductor with mesa stripe waveguide | Yasuo Ohba, Niyoko Watanabe, Hideto Sugawara, Yukio Watanabe, Motoyuki Yamamoto | 1990-08-14 |
| 4922499 | Semiconductor laser device and the manufacturing method thereof | Koichi Nitta, Yukie Nishikawa, Yasuhiko Tsuburai, Yoshihiro Kokubun | 1990-05-01 |
| 4910743 | Semiconductor laser with mesa stripe waveguide structure | Yasuo Ohba, Motoyuki Yamamoto, Yukio Watanabe, Hideto Sugawara | 1990-03-20 |
| 4893313 | Semiconductor laser device which has a double-hetero structure having an optimal layer thickness | Genichi Hatakoshi, Kazuhiko Itaya, Shigeya Naritsuka, Hajime OKUDA, Hideo Shiozawa +4 more | 1990-01-09 |
| 4835117 | Manufacturing method for semiconductor laser with mesa stripe | Yasuo Ohba, Motoyuki Yamamoto, Yukio Watanabe, Hideto Sugawara | 1989-05-30 |
| 4809287 | Double-heterostructure semiconductor with mesa stripe waveguide | Yasuo Ohba, Miyoko Watanabe, Hideto Sugawara, Yukio Watanabe, Motoyuki Yamamoto | 1989-02-28 |
| 4792958 | Semiconductor laser with mesa stripe waveguide structure | Yasuo Ohba, Motoyuki Yamamoto, Yukio Watanabe, Hideto Sugawara | 1988-12-20 |