Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110756 | Method for producing semiconductor laser | Masahiro Kitoh, Masato Ishino, Yasushi Matsui | 2000-08-29 |
| 6107112 | Distributed feedback semiconductor laser and method for producing the same | Masahiro Kito, Masato Ishino, Yasushi Matsui, Shinji Nakamura | 2000-08-22 |
| 6104738 | Semiconductor laser and process for producing the same | Masahiro Kitoh, Masato Ishino, Yasushi Matsui, Yuichi Inaba | 2000-08-15 |
| 6090909 | Uv-ray-dimerized high molecular compound, liquid crystal aligning film using above high molecular compound and liquid crystal display element using above aligning film | Takashi Kato, Hideo Sato, Shizuo Murata | 2000-07-18 |
| 5960257 | Method distributed feedback semiconductor laser for fabricating | Masato Ishino, Masahiro Kitoh, Yasushi Matsui | 1999-09-28 |
| 5856207 | Method for producing a semiconductor laser | Masahiro Kitoh, Masato Ishino, Yasushi Matsui | 1999-01-05 |
| 5764682 | Distributed feedback semiconductor laser and method for fabricating the same | Masato Ishino, Masahiro Kitoh, Yasushi Matsui | 1998-06-09 |
| 5652762 | Semiconductor laser device and method for fabricating the same and strained quantum well crystal and method for fabricating the same | Masahiro Kito, Masato Ishino, Yasushi Matsui | 1997-07-29 |
| 5621747 | Multi quantum well semiconductor laser and optical communication system using the same | Masahiro Kitoh, Masato Ishino, Yasushi Matsui | 1997-04-15 |
| 5568501 | Semiconductor laser and method for producing the same | Masahiro Kitoh, Masato Ishino, Yasushi Matsui | 1996-10-22 |
| 5539766 | Distributed feedback semiconductor laser | Masato Ishino, Masahiro Kitoh, Yasushi Matsui | 1996-07-23 |
| 5494521 | Apparatus and method for vapor growth | Yasushi Matsui | 1996-02-27 |
| 5438952 | Method of growing a semiconductor layer and a fabrication method of a semiconductor device using such a semiconductor layer | — | 1995-08-08 |
| 5319657 | Semiconductor laser of modulation doping quantum well structure with stopper against dopant dispersion and manufacturing method thereof | Masahiro Kito, Masato Ishino, Yasushi Matsui | 1994-06-07 |
| 5311534 | Semiconductor laser devices | Yoshihiro Mori | 1994-05-10 |
| 5308433 | Apparatus and method for vapor growth | Yasushi Matsui | 1994-05-03 |
| 4689979 | Pressing method and punch and die press for the same | Atsuo Kasuya, Yusho Nakayama, Masayuki Kumashiro, Tamio Furuya, Shigeo Kaiho | 1987-09-01 |
| 4578048 | Slidable type constant velocity universal joint | Seiichi Hirai, Akira Nishizawa | 1986-03-25 |
| 4494941 | Constant velocity universal joint | Seiichi Hirai | 1985-01-22 |
| 4379706 | Slidable-type constant velocity universal joint | Seiichi Hirai | 1983-04-12 |
| 4331005 | Constant velocity universal joint | Seiichi Hirai | 1982-05-25 |
| 4231232 | Constant velocity universal joint | Seiichi Hirai | 1980-11-04 |
| 4196598 | Apparatus for prevention of the removal of a universal joint | Seiichi Hirai | 1980-04-08 |
| 4188803 | Constant velocity universal joint | Seiichi Hirai | 1980-02-19 |