Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12007300 | Gas sensor | — | 2024-06-11 |
| 10634640 | Gas sensor including sensor element, housing, and element cover | Keisuke Mizutani | 2020-04-28 |
| 7867370 | Gas sensor element | Akio Tanaka, Keigo Mizutani | 2011-01-11 |
| 7222408 | Structure of gas sensor ensuring high degree of gas-tight seal | — | 2007-05-29 |
| 6258234 | Air fuel ratio sensor | Isao Watanabe, Michihiro Yamakawa, Masanori Fukutani, Toshihiro Sakawa, Minoru Ohta | 2001-07-10 |
| 6178806 | Air fuel ratio sensor and method for assembling the same | Isao Watanabe, Masanori Fukutani, Minoru Ohta | 2001-01-30 |
| 5900129 | Oxygen concentration sensor | Takashi Kojima, Isao Watanabe, Masahiro Hamaya, Minoru Ohta, Naoto Miwa | 1999-05-04 |
| 5874664 | Air fuel ratio sensor and method for assembling the same | Isao Watanabe, Michihiro Yamakawa, Masanori Fukutani, Toshihiro Sakawa, Minoru Ohta | 1999-02-23 |
| 5552214 | Unidirectional prepreg and carbon fiber reinforced composite materials comprising pitch-based carbon fibers and polyacrylonitrile-based carbon fibers | Kenji Kobomura, Hiromi Kimura, Hideo Osone, Mikio Shima, Michiya Hayashida | 1996-09-03 |
| 5364721 | Electrophotographic toner | Hidenori Asada, Takeshi Arakawa | 1994-11-15 |
| 5272034 | Process for producing electrophotographic toner | Nobuaki Kawano, Takatomo Fukumoto, Kaoru Tanaka, Masanori Fujii, Atsushi Yamaguchi +2 more | 1993-12-21 |
| 5240805 | Electrophotographic toner | Hidenori Asada, Shigeki Yamada, Takeshi Arakawa, Hiroshi Komata | 1993-08-31 |
| 5232806 | Magnetic developer for electrophotography | Shigeki Yamada, Hidenori Asada, Takeshi Arakawa | 1993-08-03 |
| 5122210 | Process for producing a bicycle frame made of fiber-reinforced plastics | Kenji Kubomura, Hironori Maikuma, Hiromi Kimura, Toshikazu Takeda | 1992-06-16 |
| 4686935 | Developing device | Toshikazu Matsui, Akira Fushida, Nobuyasu Honda, Minoru Nakao | 1987-08-18 |
| 4652510 | Method for forming negative and positive images in electrophotographic process | Akira Fushida, Toshikazu Matsui, Yuuji Hasegawa, Masahiko Maeda, Akira Horiuchi +1 more | 1987-03-24 |