Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823694 | Method of manufacturing glass optical elements | Hiroyuki Sawada, Yuka Miyashita | 2004-11-30 |
| 6766661 | Method of manufacturing glass optical elements | Hiroyuki Sawada | 2004-07-27 |
| 6254973 | Fluorine-containing polyfunctional (meth) acrylate, fluorine containing monomer composition, low refractivity material, and reflection reducing film | Tatsurou Yoshida, Yasuhiro Kimura, Kenji Watanabe, Tomoyuki Ikeda, Tetsuya Itoh | 2001-07-03 |
| 6087010 | Fluorine-containing polyfunctional (meth) acrylate composition low refractivity material and reflection reducing film | Tatsurou Yoshida, Yasuhiro Kimura, Kenji Watanabe, Tomoyuki Ikeda, Tetsuya Itoh | 2000-07-11 |
| 5851422 | Polymeric material for liquid crystal/polymer composite film, record display medium, and use thereof | Wataru Saito, Atsushi Baba, Tadafumi Shindo, Naoki Shimada, Hidetoshi Ozawa +4 more | 1998-12-22 |
| 5753410 | Silver halide photographic light-sensitive material | Takeo Arai | 1998-05-19 |
| 5693447 | Image forming material, method of preparing the same and image forming method employing the same | Toshihisa Takeyama, Ai Katsuda, Tomonori Kawamura, Masataka Takimoto | 1997-12-02 |
| 5691103 | Image forming material, method of preparing the same and image forming method employing the same | Toshihisa Takeyama, Ai Katsuda, Kunihiro Koshizuka, Tomonori Kawamura, Masataka Takimoto | 1997-11-25 |
| 5144044 | Non-linear optical material and non-linear optical device | Masaharu Nakayama | 1992-09-01 |
| 5100584 | Non-linear optical device | Zhang Jian, Masaharu Nakayama | 1992-03-31 |
| 5045239 | Non-linear optical material | Seizo Miyata, Toshiyuki Watanabe, Akio Hayashi, Masaharu Nakayama | 1991-09-03 |
| 4892681 | Non-linear optical article | Seizo Miyata, Toshiyuki Watanabe, Masaharu Nakayama | 1990-01-09 |
| 4474868 | Photo polymerization initiator compositions having high sensitivity | Tsuguo Yamaoka, Kenichi Koseki | 1984-10-02 |
| 4219730 | Charge-particle energy analyzer | Isao Ishikawa, Michiyasu Itoh | 1980-08-26 |