Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954478 | Nitride-based semiconductor laser device | Yasuhiko Nomura | 2005-10-11 |
| 6914922 | Nitride based semiconductor light emitting device and nitride based semiconductor laser device | Nobuhiko Hayashi, Takenori Goto, Yasuhiko Nomura | 2005-07-05 |
| 6872967 | Nitride-based semiconductor device and manufacturing method thereof | Hiroki Ohbo | 2005-03-29 |
| 6872982 | Semiconductor device and method of fabricating the same and method of forming nitride based semiconductor layer | Nobuhiko Hayashi | 2005-03-29 |
| 6836496 | Semiconductor laser device | Hiroki Ohbo | 2004-12-28 |
| 6821807 | Method of forming nitride-based semiconductor layer, and method of manufacturing nitride-based semiconductor device | Hiroki Ohbo, Nobuhiko Hayashi | 2004-11-23 |
| 6783728 | Free-cutting steel for machine structural use having good machinability in cutting by cemented carbide tool | Yutaka Kurebayashi | 2004-08-31 |
| 6764645 | Steel for machine structural use having good machinability and chip-breakability | Masakazu Hayaishi, Kazuhisa Ishida, Yutaka Kurebayashi, Makoto Hobo | 2004-07-20 |
| 6720196 | Nitride-based semiconductor element and method of forming nitride-based semiconductor | Tatsuya Kunisato, Yasuhiko Nomura, Hiroki Ohbo, Masayuki Hata | 2004-04-13 |
| 6649942 | Nitride-based semiconductor light-emitting device | Masayuki Hata, Yasuhiko Nomura, Kunio Takeuchi, Tsutomu Yamaguchi | 2003-11-18 |
| 6566677 | Nitride-based semiconductor device and manufacturing method thereof | Hiroki Ohbo | 2003-05-20 |
| 6388275 | Compound semiconductor device based on gallium nitride | — | 2002-05-14 |
| 6319742 | Method of forming nitride based semiconductor layer | Nobuhiko Hayashi | 2001-11-20 |
| 6162656 | Manufacturing method of light emitting device | Tatsuya Kunisato, Yasuhiro Ueda, Yasuhiko Matsushita, Katsumi Yagi | 2000-12-19 |
| 5990496 | Light emitting device with cap layer | Tatsuya Kunisato, Yasuhiro Ueda, Yasuhiko Matsushita, Katsumi Yagi | 1999-11-23 |
| 5611445 | Lid for container | Seizo Rai | 1997-03-18 |
| 5339241 | Method and system for controlling a travelling body so as to move forward along the predetermined route of the movement of travelling body | Isao Fujimori, Shigeru Matsumori, Toshio Sumi | 1994-08-16 |
| 5318623 | Process for producing metal phthalocyanine pigment | Shinichi Azuma, Takanori Miyake, Hideo Shimizu | 1994-06-07 |
| 4863049 | Cap for a vessel | Issei Suzuki, Yoshio Watanabe, Noboru Anzai | 1989-09-05 |
| 4371909 | High voltage converter apparatus having overvoltage protection circuits for thyristors | — | 1983-02-01 |