Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11873780 | Combined oil ring | Masahiro Uchiumi, Kenji Arai, Kazuhiro Sameshima, Hajime Ando | 2024-01-16 |
| 11739840 | Piston ring | Kyoichi Ikeya, Ofuyu Sakai | 2023-08-29 |
| 10330198 | Multi-piece oil ring | Atsushi Chiba, Kazuhiro Fujimura, Iwao Hiraishi | 2019-06-25 |
| 10030772 | Multi-piece oil ring | Atsushi Chiba, Kazuhiro Fujimura, Iwao Hiraishi | 2018-07-24 |
| 9506138 | Piston ring | Hiroyuki Sugiura, Atsushi Chiba, Kazuhiro Fujimura, Katsuaki Ogawa, Kazuhiro Sameshima | 2016-11-29 |
| 9464717 | Piston ring | Michihiro Ito, Naoyuki Akimoto, Iwao Hiraishi, Atsushi Chiba | 2016-10-11 |
| 8820750 | Internal combustion engine oil ring | Atsushi Chiba, Kazuhiro Fujimura, Iwao Hiraishi | 2014-09-02 |
| 7024982 | Combination of piston and piston ring | Takeshi Aizawa, Manabu Kishida | 2006-04-11 |
| 6336842 | Rotary machining apparatus | Shigeo Ootsuki, Shigeo Moriyama, Takashi Kugaya, Kenichi Togawa, Shyuichi Oowada +2 more | 2002-01-08 |
| 5342748 | Color photographic light-sensitive material for printing use | Masanobu Miyoshi, Makoto Onodera | 1994-08-30 |
| 5338655 | Method for manufacturing a silver halide emulsion | Mitsuhiro Kubotera | 1994-08-16 |
| 5314796 | Silver halide color photographic light sensitive material | Kazuhiro Murai, Hirokazu Sato, Shinri Tanaka, Mitsuhiro Okumura | 1994-05-24 |
| 5278038 | Light-sensitive silver halide color photographic material | Masanobu Miyoshi, Kaoru Onodera | 1994-01-11 |
| 5238788 | Method for forming a dye image | Takashi Kadowaki | 1993-08-24 |
| 5192652 | Silver halide light-sensitive photographic material | Masanobu Miyoshi | 1993-03-09 |
| 5134060 | Silver halide photographic emulsion prepared with silver halide grains formed in the presence of a water soluble iridium compound and a nitrogen-containing heterocyclic compound | Hideaki Maekawa, Masanobu Miyoshi, Mitsuhiro Okumura | 1992-07-28 |
| 5116723 | Light-sensitive silver halide photographic material | Hideki Ono | 1992-05-26 |
| 5085978 | Method for processing light-sensitive silver halide photographic material | Toyoki Nishijima, Shigeo Chino | 1992-02-04 |
| 5023170 | Light-sensitive silver halide color photographic material | Masanobu Miyoshi, Kaoru Onodera | 1991-06-11 |
| 4963466 | Silver halide photographic light-sensitive material suitable for rapid processes comprising hydroquinone and an antifoggant | Masanobu Miyoshi, Kaoru Onodera, Eiichi Sakamoto | 1990-10-16 |
| 4942121 | Silver halide photographic light-sensitive material | Kaoru Onodera, Toshio Kimura, Kazuo Komorita | 1990-07-17 |
| 4914016 | Silver halide photographic light-sensitive material and processing method therefor | Masanobu Miyoshi, Shigeo Tanaka, Mitsuhiro Okumura | 1990-04-03 |
| 4912026 | Light-sensitive silver halide photographic material feasible for rapid processing comprising high boiling solvent and gold compounds | Masanobu Miyoshi, Kaoru Onodera, Eiichi Sakamoto | 1990-03-27 |
| 4897342 | Silver halide photographic light-sensitive material | Masanobu Miyoshi, Kaoru Onodera | 1990-01-30 |
| 4863846 | Silver halide photographic light-sensitive material | Shigeo Tanaka, Mitsuhiro Okumura, Masanobu Miyoshi | 1989-09-05 |