Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352925 | Anti-reflection circular polariser and image display device using same | Toshiki Inoue, Hiroshi Shibano | 2025-07-08 |
| 7531238 | Laminated thermoplastic resin film and laminated thermoplastic resin film roll | Naoki Mizuno, Shigenori Iwade, Hideki Sugihara, Chikao Morishige, Yasuhiro Nishino +1 more | 2009-05-12 |
| 6531231 | Recording material and production method thereof | Katsuya Ito, Toru Kotani | 2003-03-11 |
| 6383983 | Porous polyester film and thermal transfer image-receiving sheet | Yasushi Sasaki, Koji Yamada | 2002-05-07 |
| 6306492 | Laminated polyester film | Koji Yamada, Yasushi Sasaki, Shinya Higashiura, Chikao Morishige | 2001-10-23 |
| 6136440 | Recording media | Katsuya Ito, Kenichi Mori, Tooru Kotani, Yasushi Sasaki | 2000-10-24 |
| 6096684 | Porous polyester film and thermal transfer image-receiving sheet | Yasushi Sasaki, Koji Yamada | 2000-08-01 |
| 6039444 | Recording material | Kenichi Mori, Katsuya Ito, Tooru Kotani, Yasushi Sasaki | 2000-03-21 |
| 6004664 | Film having fine voids and manufacture thereof | Yasushi Sasaki, Ken-ichi Mori, Katsuya Ito | 1999-12-21 |
| RE36321 | Heat-sensitive recording material | Naoto Arai, Shoji Aoyagi, Toranosuke Saito, Masakatu Kitani, Takashi Ishibashi | 1999-09-28 |
| RE36287 | Polyester film and lithographic plate | Katsuya Ito, Yoshiki Murakami, Ryoya Kobayashi, Taishi Iwai, Kazuhiro Abe +2 more | 1999-08-31 |
| 5912085 | Recording material and production method thereof | Katsuya Ito, Toru Kotani | 1999-06-15 |
| 5856010 | Surface-treated plastic film and ink jet recording material | Yoshikazu Furuya, Toshiaki Doi, Katsuya Ito, Takashi Saito, Shinji Sawasaki +1 more | 1999-01-05 |
| 5843578 | Film having fine voids and manufacture thereof | Yasushi Sasaki, Ken-ichi Mori, Katsuya Ito | 1998-12-01 |
| 5503953 | Lithographic plate | Katsuya Ito, Yoshiki Murakami, Ryoya Kobayashi, Taishi Iwai, Kazuhiro Abe +2 more | 1996-04-02 |
| 5422175 | Void-containing composite film of polyester type | Katsuya Ito, Atsushi Taga, Katsufumi Kumano, Yasushi Sasaki, Akito Hamano | 1995-06-06 |
| 5268135 | Biaxial oriented polyester film | Yasushi Sasaki, Yutaka Baba | 1993-12-07 |
| 5019548 | Heat sensitive recording material | Fumio Seyama, Shuki Okauchi, Toranosuke Saito, Masakatu Kitani, Takashi Ishibashi | 1991-05-28 |
| 4950637 | Heat sensitive recording material | Shuki Okauchi, Yoshiyuki Nukushina, Masato Kawamura | 1990-08-21 |
| 4746645 | Heat-sensitive recording material | Teijiro Kitao, Mitsuru Kondo, Masayuki Omatsu, Hironori Fujii, Kenji Minami | 1988-05-24 |
| 4633277 | Heat-sensitive recording material | Fumio Hama, Mitsuru Kondo | 1986-12-30 |
| 4612557 | Hydroxydiphenyl sulfone derivative and heat-sensitive recording material using the derivative | Fumio Hama, Mitsuru Kondo | 1986-09-16 |
| 4542395 | Heat-sensitive recording material | Toranosuke Saito, Masakatu Kitani, Takashi Ishibashi, Naoto Arai, Takeshi Murakami | 1985-09-17 |
| 4535190 | Phenolic compounds and a heat-sensitive recording material containing the same | Naoto Arai, Takeshi Murakami, Toranosuke Saito, Masakatu Kitani, Takashi Ishibashi | 1985-08-13 |
| 4531140 | Heat-sensitive recording material | Naoto Arai, Shoji Aoyagi, Toranosuke Saito, Masakatu Kitani, Takashi Ishibashi | 1985-07-23 |