Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9205033 | Composite spherical polymer particles and their production process, and cosmetics using the same | — | 2015-12-08 |
| 7226499 | Cellulose acylate film, cellulose acylate film with functional thin film, and method for preparation thereof | Akihiro Matsufuji, Yuuzou Muramatsu | 2007-06-05 |
| 6126825 | Microporous membrane and process for the production thereof | Sumio Ohtani | 2000-10-03 |
| 5472831 | Silver halide photographic material | Yosuke Nishiura, Kiyokazu Hashimoto, Junichi Yamanouchi, Yasuo Mukunoki | 1995-12-05 |
| 5420177 | Method for producing colored and exactly spherical fine-grains of polymer | Ken Ohkura, Tamiaki Shibata | 1995-05-30 |
| 5336589 | Photographic material | Yasuo Mukunoki, Junichi Yamanouchi, Kiyokazu Hashimoto | 1994-08-09 |
| 5279659 | Cellulose ester film containing phosphoric ester plasticizer and aromatic carboxylic ester and process for preparation of the same | Yosuke Nishiura | 1994-01-18 |
| 5059639 | Method for producing a matt paint | Ken Ohkura, Tamiaki Shibata | 1991-10-22 |
| 4966826 | Diffusion transfer photographic film units | — | 1990-10-30 |
| 4954419 | Diffusion transfer photographic film unit | Toru Oikawa, Junichi Yamanouchi, Kentaro Shiratsuchi | 1990-09-04 |
| 4910235 | Polyester film for recording materials | Seimi Satake, Toshio Shibata | 1990-03-20 |
| 4840733 | Fine porous membrane and process for producing the same | Jun Sasaki, Atsushi Adachi, Kyoichi Naruo, Sumio Ohtani | 1989-06-20 |
| 4722777 | Improvement of electrophoretic element using polyacrylamide gel | Masashi Ogawa, Hideo Matsunaga | 1988-02-02 |
| 4659607 | Retouchable mat film | Shinzi Kataoka, Shinji Sakaguchi | 1987-04-21 |
| 4588673 | Retouchable mat film | Shinzi Kataoka, Shinji Sakaguchi | 1986-05-13 |
| 4582784 | Photographic light-sensitive element with backing layer | Masafumi Fukugawa, Shinzi Kataoka, Itsuo Fujiwara | 1986-04-15 |
| 4366239 | Polyester base drafting film with nitrocellulose and polymethylmethacrylate layer | Sumio Ohtani, Koichi Suematsu, Hideo Kawaguchi | 1982-12-28 |