Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7704358 | Oxygen sensor | Futoshi Ichiyanagi, Shoichi Sakai, Goji Matsumoto | 2010-04-27 |
| 7370545 | Oxygen sensor | Futoshi Ichiyanagi, Masao Tsukada | 2008-05-13 |
| 7302828 | Oxygen sensor | Masao Tsukada, Shoichi Sakai, Masami Kawashima, Keiji Mori | 2007-12-04 |
| 6953080 | Front end structure of vehicle preventing short-circuit of cooling air | Norihisa Sasano, Satoshi Matsuura, Kouichi Mizukami | 2005-10-11 |
| 6595272 | Double heat exchanger having condenser core and radiator core | Norihisa Sasano, Satomi Muto, Takaaki Sakane | 2003-07-22 |
| 6523603 | Double heat exchanger with condenser and radiator | Shinobu Suzuki, Satomi Muto | 2003-02-25 |
| 6523605 | Heat exchanger made of an aluminum alloy | Takeyoshi Doko, Koji Okada, Takeshi Iguchi, Takaaki Sakane, Yoshihiro Kinoshita +3 more | 2003-02-25 |
| 6357521 | Heat exchanger having header tank | Tatsuo Sugimoto, Norihisa Sasano, Satomi Muto, Takaaki Sakane | 2002-03-19 |
| 6305465 | Double heat exchanger having condenser core and radiator core | Takaaki Sakane, Satomi Muto, Tatsuo Sugimoto | 2001-10-23 |
| 6276447 | Apparatus formed by brazing and method for manufacturing the same | Takeshi Iguchi, Homare Kotate, Kouji Hirakami | 2001-08-21 |
| 6269541 | Method of manufacturing a heat exchanger | Takeshi Iguchi, Homare Kotate, Koji Hirakami | 2001-08-07 |
| 6228165 | Method of manufacturing crystal of silicon using an electric potential | Masahiko Baba, Scott Matthew Kirkland, Richard William Rudberg, Susumu Sonokawa, Darren Mark Taie | 2001-05-08 |
| 6206089 | Heat exchanger and method for manufacturing the same | Yasutoshi Yamanaka, Takaaki Sakane, Satomi Muto, Homare Koutate | 2001-03-27 |
| 6186222 | Aluminum alloy tube and heat exchanger, and method of metal-spraying a filler alloy | Takeyoshi Doko, Hirokazu Yamaguchi, Osamu Kato, Taketoshi Toyama, Kouji Hirakami +2 more | 2001-02-13 |
| 6173765 | Heat exchange having header tank | Takao Ikeda, Yoshihiro Iwata | 2001-01-16 |
| 6167946 | Heat exchanger mounted to vehicle | Satomi Muto, Takaaki Sakane | 2001-01-02 |
| 6161376 | Method and apparatus for controlling air-fuel ratio of internal combustion engine | — | 2000-12-19 |
| 6023964 | Misfire diagnosis method and apparatus of internal combustion engine | Yutaka Kanbara | 2000-02-15 |
| 5992514 | Heat exchanger having several exchanging portions | Tatsuo Sugimoto, Shinobu Suzuki, Takaaki Sakane, Yasutoshi Yamanaka, Hiroo Yamaguchi | 1999-11-30 |
| 5970967 | Method and apparatus for diagnosing an abnormality in a wide range air-fuel ratio sensor | — | 1999-10-26 |
| 5969230 | System and method for estimating the temperature of oxygen sensor installed in exhaust system of internal combustion engine | Shoichi Sakai | 1999-10-19 |
| 5870688 | Misfire diagnostic system for internal combustion engine | Yutaka Kanbara | 1999-02-09 |
| 5787977 | Heat exchanger | Munenori Yuasa, Shinichi Hamada, Yasutoshi Yamanaka | 1998-08-04 |
| 5778866 | Air-fuel ratio detecting system of internal combustion engine | — | 1998-07-14 |
| 5749967 | Puller cell | Kazuo Sakauchi, Yoshihiro Hirano | 1998-05-12 |