Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6994780 | Gas sensor and method of detecting gas concentration | Keigo Mizutani, Kazunori Suzuki, Daisuke Makino | 2006-02-07 |
| 6951601 | Oxygen concentration detector | Akio Tanaka, Naoto Miwa, Hiromi Sano, Kazunori Suzuki, Masaya Fujimoto | 2005-10-04 |
| 6805782 | Compound layered type of sensing device for multiple measurement | Akio Tanaka, Akira Miyashita, Keigo Mizutani | 2004-10-19 |
| 6607643 | NOx gas detecting apparatus | Hideaki Takahashi, Keiichi Saji, Jiro Sakata, Tadashi Inaba, Tadashi Nakamura +2 more | 2003-08-19 |
| 6589409 | Multilayered gas sensing element employable in an exhaust system of an internal combustion engine | Akira Miyashita, Akio Tanaka, Keigo Mizutani | 2003-07-08 |
| 6580280 | Multilayered gas sensor and a related gas concentration detecting system | Makato Nakae, Syuichi Nakano | 2003-06-17 |
| 6554983 | Gas sensing element employable in an exhaust system of an internal combustion engine | Hiroo Imamura, Keigo Mizutani, Daisuke Makino | 2003-04-29 |
| 6304289 | Submerged laser television and submerged laser visual recognizer | Hiroshi Sakai, Kenzi Hirose, Hirotoshi Igarashi, Junichi Akizono, Eiji Satoh +3 more | 2001-10-16 |
| 6254926 | Method of producing oxygen sensor element | Toru Katafuchi, Kiyomi Kobayashi, Naoto Miwa, Hiromi Sano | 2001-07-03 |
| 6174489 | Method for manufacturing a gas sensor unit | Kiyomi Kobayashi, Naoto Miwa, Hiromi Sano, Namitsugu Fujii | 2001-01-16 |
| 6115511 | Underwater laser imaging apparatus | Hiroshi Sakai, Kenzi Hirose, Hirotoshi Igarashi, Junichi Akizono, Eiji Satoh +4 more | 2000-09-05 |
| 5948225 | Oxygen sensor element | Toru Katafuchi, Kiyomi Kobayashi, Naoto Miwa, Hiromi Sano | 1999-09-07 |
| 5935399 | Air-fuel ratio sensor | Akio Tanaka, Naoto Miwa, Hiromi Sano, Katsuhiro Ishikawa | 1999-08-10 |
| 5707503 | Oxygen sensor element | Yasumichi Hotta, Hiromi Sano, Masatoshi Suzuki, Naoto Miwa | 1998-01-13 |
| 5660661 | Oxygen sensor | Tomio Sugiyama, Masatoshi Suzuki, Hiromi Sano, Satoru Nomura | 1997-08-26 |
| 5518603 | Oxygen sensor and a process for production thereof | Hiroshi Furuhashi, Syozo Tanida | 1996-05-21 |
| 5472591 | Oxygen concentration detector having heat-treated support layer providing high responsivity endurance | Namitsugu Fujii, Yasumichi Hotta, Satoru Nomura, Hiromi Sano, Masatoshi Suzuki | 1995-12-05 |
| 5447618 | Oxygen sensor | Tomio Sugiyama, Masatoshi Suzuki, Hiromi Sano, Satoru Nomura | 1995-09-05 |
| 5421984 | Oxygen concentration sensor | Masatoshi Suzuki, Hiromi Sano, Tomio Sugiyama, Satoru Nomura | 1995-06-06 |
| 4908119 | Apparatus for determining oxygen concentration | Hiromi Sano, Soji Ota, Syohei Udo | 1990-03-13 |
| 4476008 | Oxygen concentration-sensing device and the method of producing the same | Hiromi Sano, Masatoshi Suzuki, Masaya Fujimoto, Masahiro Shibata, Mitihiro Yamakawa | 1984-10-09 |
| 4402820 | Oxygen analyzer | Hiromi Sano, Masatoshi Suzuki, Masaya Fujimoto, Mitihiro Yamakawa | 1983-09-06 |
| 4328294 | Solid electrolyte for use in oxygen concentration sensor | Katsuhiko Tanaka, Masatoshi Suzuki, Masami Ouki | 1982-05-04 |
| 4328295 | Solid electrolyte for use in oxygen concentration sensor | Katsuhiko Tanaka, Masatoshi Suzuki, Masami Ouki | 1982-05-04 |
| 4328296 | Solid electrolyte for use in oxygen concentration sensor | Katsuhiko Tanaka, Masatoshi Suzuki, Masami Ouki | 1982-05-04 |