Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7824531 | Multilayered air-fuel ratio sensor | Tomio Sugiyama, Masahiro Shibata, Syuichi Nakano | 2010-11-02 |
| 7553442 | Method of manufacturing an exhaust gas purifying filter | Mamoru Nishimura, Mikio Ishihara, Hirofumi Yamashita | 2009-06-30 |
| 7358210 | Ceramic body and ceramic catalyst body | Masakazu Tanaka, Tomomi Hase, Takashi Kondo, Tosiharu Kondo, Jun Hasegawa +4 more | 2008-04-15 |
| 7048894 | Ceramic filter and catalyst-loaded ceramic filter | Masakazu Tanaka, Tosiharu Kondo, Mamoru Nishimura | 2006-05-23 |
| 7045047 | Gas sensor element | Makoto Nakae, Susumu Naito, Namitsugu Fujii, Tomio Sugiyama, Kazuya Nakagawa | 2006-05-16 |
| 6951601 | Oxygen concentration detector | Akio Tanaka, Naoto Miwa, Toshitaka Saito, Kazunori Suzuki, Masaya Fujimoto | 2005-10-04 |
| 6409899 | Gas sensor element with lead-proof effect | Motoaki Satou, Yasumichi Hotta, Namitsugu Fujii | 2002-06-25 |
| 6354134 | Oxygen sensing element used in a oxygen sensor | Tooru Katafuchi, Kiyomi Kobayashi, Namitsugu Fujii | 2002-03-12 |
| 6344118 | Structure of oxygen sensing element | Kiyomi Kobayashi, Namitsugu Fujii, Yasumichi Hotta | 2002-02-05 |
| 6332965 | Composite gas sensor | Tomio Sugiyama, Naoto Miwa, Masahiro Shibata, Akio Tanaka | 2001-12-25 |
| 6258233 | Multilayered air-fuel ratio sensing element | Tomio Sugiyama, Masahiro Shibata | 2001-07-10 |
| 6254926 | Method of producing oxygen sensor element | Toru Katafuchi, Kiyomi Kobayashi, Naoto Miwa, Toshitaka Saito | 2001-07-03 |
| 6174489 | Method for manufacturing a gas sensor unit | Kiyomi Kobayashi, Naoto Miwa, Toshitaka Saito, Namitsugu Fujii | 2001-01-16 |
| 6110348 | NOx sensor and manufacturing method of the same | Tomio Sugiyama, Naoto Miwa, Masahiro Shibata | 2000-08-29 |
| 6096372 | Method for manufacturing O.sub.2 sensor with solid electrolyte member using conductive paste element | Satoru Nomura, Yasumichi Hotta, Namitsugu Fujii | 2000-08-01 |
| 6055972 | Air fuel ratio control apparatus having air-fuel ratio control point switching function | Masaya Fujimoto, Minoru Ohta, Makoto Nakae, Isao Watanabe, Naoto Miwa +1 more | 2000-05-02 |
| 5948225 | Oxygen sensor element | Toru Katafuchi, Kiyomi Kobayashi, Naoto Miwa, Toshitaka Saito | 1999-09-07 |
| 5935399 | Air-fuel ratio sensor | Akio Tanaka, Naoto Miwa, Toshitaka Saito, Katsuhiro Ishikawa | 1999-08-10 |
| 5839953 | Air-direction adjusting apparatus for air-conditioning equipment | Satoru Kotoh, Kiyoshi Sakuma, Takayuki Yoshida, Katuyuki Aoki, Shin'ichi Suzuki +5 more | 1998-11-24 |
| 5833532 | Air-direction adjusting apparatus for air-conditioning equipment | Satoru Kotoh, Kiyoshi Sakuma, Takayuki Yoshida, Katuyuki Aoki, Shin'ichi Suzuki +5 more | 1998-11-10 |
| 5811660 | Air-fuel ratio sensing element | Syuichi Nakano, Tomio Sugiyama, Shinichiro Imamura | 1998-09-22 |
| 5797792 | Air-direction adjusting apparatus in air-conditioning equipment | Satoru Kotoh, Kiyoshi Sakuma, Takayuki Yoshida, Katuyuki Aoki, Shin'ichi Suzuki +5 more | 1998-08-25 |
| 5787866 | Air-fuel ratio sensor | Tomio Sugiyama, Naoto Miwa, Masahiro Shibata, Syuichi Nakano, Shinichiro Imamura | 1998-08-04 |
| 5766672 | Method of manufacturing an oxygen concentration detector element | Yasumichi Hotta, Namitsugu Fujii, Naoto Miwa | 1998-06-16 |
| 5766434 | Oxygen concentration detecting device and method for fabricating the same | Namitsugu Fujii, Yasumichi Hotta, Naoto Miwa, Motoaki Satou | 1998-06-16 |