Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240795 | Volume phase type hologram film and photosensitive resin composition employed therefor | Yoko Yoshinaga, Tetsuro Kuwayama, Naosato Taniguchi, Hiroyoshi Kishi | 1993-08-31 |
| 5231520 | Volume phase type hologram and method of manufacture thereof | Yoko Yoshinaga, Tetsuro Kuwayama, Naosato Taniguchi | 1993-07-27 |
| 5210626 | Head-up display device | Tetsuro Kumayama, Toshiaki Majima, Naosato Taniguchi, Yoko Yoshinaga, Hiroyoshi Kishi | 1993-05-11 |
| 5116369 | Composition for intraocular lens | Noriyuki Nose, Yukichi Niwa, Norio Kaneko | 1992-05-26 |
| 5101420 | X-ray mask support and process for preparation thereof | Hideo Kato, Akira Miyake, Yasuaki Fukuda | 1992-03-31 |
| 5089903 | Display apparatus | Tetsuro Kuwayama, Naosato Taniguchi, Yoko Yoshinaga | 1992-02-18 |
| 5082358 | Polymer of vinyl-biphenyl derivative adapted for optical use | Masayoshi Tabata, Yoko Yoshinaga | 1992-01-21 |
| 5035473 | Display apparatus | Tetsuro Kuwayama, Naosato Taniguchi, Yoko Yoshinaga | 1991-07-30 |
| 5026618 | Photosensitive material and volume type phase hologram member formed therefrom | Yoko Yoshinaga, Tetsuro Kuwayama, Naosato Taniguchi | 1991-06-25 |
| 4985186 | Process for producing optical element | Noriyuki Nose, Toshiyuki Nakajima, Eigo Kawakami, Takeshi Baba, Masakazu Matsugu +1 more | 1991-01-15 |
| 4946533 | Method of preparing volume type hologram film | Yoko Yoshinaga, Naosato Taniguchi, Tetsuro Kuwayama | 1990-08-07 |
| 4908285 | Hologram member | Yoko Yoshinaga, Naosato Taniguchi, Tetsuro Kuwayama | 1990-03-13 |
| 4892396 | Variable-focus optical device | Yoko Yoshinaga | 1990-01-09 |
| 4871411 | Method of preparing volume type hologram film | Yoko Yoshinaga, Naosato Taniguchi, Tetsuro Kuwayama | 1989-10-03 |
| 4840473 | Optical device | Noriyuki Nose, Toshiyuki Nakajima, Takeshi Baba, Masakazu Matsugu, Yukichi Niwa | 1989-06-20 |
| 4802746 | Variable-focus optical element and focus detecting device utilizing the same | Takeshi Baba, Shigeyuki Suda, Noriyuki Nose, Eigo Kawakami, Toshiyuki Nakajima | 1989-02-07 |
| 4783153 | Variable-focus optical device | Noriyuki Nose, Takeshi Baba, Toshiyuki Nakajima, Masahiro Okuda | 1988-11-08 |