Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434804 | Exhaust purification device | Tooru Hisanaga, Daisuke Sugaya, Tomoyuki Igarashi | 2022-09-06 |
| 10153526 | Assembled battery | Toshiyuki Motohashi, Takashi Otsuka, Satoshi Sakuma, Tatsunari Kawaguchi, Yoshito Sonou +1 more | 2018-12-11 |
| 9623719 | Thermal management system for electric vehicle and its control method | Jun Hatakeyama, Takayuki Ishikawa, Masashi Koshijima, Satoshi Ogihara | 2017-04-18 |
| 8516245 | Method, product and apparatus for accelerating public-key certificate validation | Yoko Kumagai, Takahiro Fujishiro, Tadashi Kaji, Shingo Hane | 2013-08-20 |
| 7558952 | Method and apparatus for accelerating public-key certificate validation | Yoko Kumagai, Takahiro Fujishiro, Tadashi Kaji, Shingo Hane | 2009-07-07 |
| 7533269 | Digital-signed digital document exchange supporting method and information processor | Yoko Kumagai, Takahiro Fujishiro, Tadashi Kaji, Shingo Hane | 2009-05-12 |
| 7462963 | Motor cooling device and cooling method | Yuji Ishihara, Keiko Shishido | 2008-12-09 |
| 7244293 | Reservoir tank | Michiko Morita, Shizuo Yamamoto, Katsuyuki Fujii, Tomoyuki Hanada, Toshihiro Yamashita +1 more | 2007-07-17 |
| 6964820 | Water recirculation in fuel cell power plant | Takashi Hashimoto | 2005-11-15 |
| 4986345 | Rotary heat exchanger | Masakazu Uemura, Yoshinori Hirano | 1991-01-22 |
| 4934448 | Rotary heat exchanger | Masakazu Uemura, Yoshinori Hirano | 1990-06-19 |
| 4721071 | Cooling system for automotive engine or the like | Kazuyuki Fujigaya, Yoshinori Hirano | 1988-01-26 |
| 4669427 | Cooling system for automotive engine or the like including quick cold weather warm-up control | Naoki Ogawa, Kazuyuki Fujigaya, Yutaka Minezaki | 1987-06-02 |
| 4664072 | Cooling system for automotive engine or the like | — | 1987-05-12 |
| 4624221 | Cooling system for automotive engine or the like | Kazuyuki Fujigaya, Naoki Ogawa, Yutaka Minezaki | 1986-11-25 |
| 4520768 | Cylinder block of internal combustion engine | Naoki Ogawa, Yoshinori Hirano | 1985-06-04 |