Issued Patents All Time
Showing 51–75 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5910826 | Rear projection screen and method of producing same | Hiroshi Yamaguchi | 1999-06-08 |
| 5903697 | Optical waveguide, method of making the same and integrated optical device | Yasufumi Yamada, Masahiro Yanagisawa, Hiroaki Okano, Keiichi Higuchi, Hisato Uetsuka +2 more | 1999-05-11 |
| 5875046 | Optical repeater and optical transmitter | Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more | 1999-02-23 |
| 5861972 | Optical multiplex transmission equipment and method | Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more | 1999-01-19 |
| 5831585 | Light transmission screen | Hirokazu Sakaguchi, Katsuaki Mitani | 1998-11-03 |
| 5824174 | Light transmission screen and its manufacturing method | Katsuaki Mitani, Hirokazu Sakaguchi | 1998-10-20 |
| 5815313 | Light transmission screen and its manufacturing method | Katsuaki Mitani, Hirokazu Sakaguchi | 1998-09-29 |
| 5812289 | Optical repeater and optical transmitter | Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more | 1998-09-22 |
| 5780875 | Hybrid optical integration assembly using optical platform | Shinji Tsuji, Ryuta Takahashi, Masato Shishikura, Satoru Kikuchi | 1998-07-14 |
| 5761354 | Optical coupling system and optical module | Hideyuki Kuwano | 1998-06-02 |
| 5739932 | Optical transmission system constructing method and system | Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more | 1998-04-14 |
| 5724182 | Optical sheet and a light transmission screen using the same | Katsuaki Mitani, Hirokazu Sakaguchi | 1998-03-03 |
| 5699131 | Light transmission type screen assembly | Katsuaki Mitani | 1997-12-16 |
| 5671074 | Optical multiplex transmission equipment and method | Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more | 1997-09-23 |
| 5581407 | Permeable screen and its manufacturing method | Katsuaki Mitani, Hitoshi Mukai | 1996-12-03 |
| 5555477 | Optical transmission system constructing method and system | Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more | 1996-09-10 |
| 5500756 | Optical fiber transmission system and supervision method of the same | Hideaki Tsushima, Shinya Sasaki, Yukio Nakano, Hiroyuki Nakano, Ryoji Tateyari +9 more | 1996-03-19 |
| 5350151 | Load supporting apparatus | — | 1994-09-27 |
| 5315609 | Semiconductor laser module with lens holder compensating for thermal stress | Tsuyoshi Tanaka, Kazuyuki Fukuda | 1994-05-24 |
| 5313307 | Casing for projection television receiver and screen mounting method | Katumi Gotou, Tsuyoshi Shimatani | 1994-05-17 |
| 5230718 | Coated abrasive grains and a manufacturing method therefor | Takeo Oki, Yoichi Fukuta, Eiichi Hisada | 1993-07-27 |
| 5128956 | Semiconductor laser module with built-in optical isolator | Atsushi Murata, Tsuyoshi Tanaka | 1992-07-07 |
| 5119271 | Projection-type television set | Katsumi Goto | 1992-06-02 |
| 5090969 | Coated abrasive grains and a manufacturing method therefor | Takeo Oki, Yoichi Fukuta, Eiichi Hisada | 1992-02-25 |
| 5008012 | Compact plasma separator and an apparatus containing the same | Takeaki Hagihara | 1991-04-16 |