Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8552574 | Cogeneration apparatus | Nobuyuki Sasaki, Katsutoshi Matsushita, Koichi Oka | 2013-10-08 |
| 8354755 | Cogeneration system | — | 2013-01-15 |
| 8286423 | Cogeneration system | Masahiro Yamamoto | 2012-10-16 |
| 8093734 | Cogeneration system | — | 2012-01-10 |
| 8093733 | Cogeneration system | — | 2012-01-10 |
| 8049350 | Method and apparatus for controlling cogeneration system | Yojiro Sasaki, Kousuke Yamana | 2011-11-01 |
| 8004099 | Method and apparatus for controlling cogeneration system | — | 2011-08-23 |
| 7930882 | Cogeneration system | — | 2011-04-26 |
| 7663256 | Cogeneration system | Tsutomu Wakitani | 2010-02-16 |
| 6422033 | Absorption type refrigerating apparatus | Mitsuru Ishikawa, Hidetaka Kayanuma | 2002-07-23 |
| 6247330 | Absorption type refrigerator | Mitsuru Ishikawa, Hidetaka Kayanuma, Kohichi Miyashita | 2001-06-19 |
| 6176096 | Absorption type refrigerating apparatus | Hidetaka Kayanuma, Mitsuru Ishikawa, Toshimitsu Takaishi | 2001-01-23 |
| 5970739 | Rectifying apparatus for absorption refrigerator | Manabu Kagawa, Mitsuru Ishikawa | 1999-10-26 |
| 5769316 | Air conditioner for vehicles | Susumu Ikeda, Toshimi Isobe, Atsuo Inoue, Toshihiko Fujita, Akihiro Tajiri +2 more | 1998-06-23 |
| 5634348 | Air conditioner for vehicles | Susumu Ikeda, Toshimi Isobe, Atsuo Inoue, Toshihiko Fujita, Akihiro Tajiri +2 more | 1997-06-03 |
| 5598887 | Air conditioner for vehicles | Susumu Ikeda, Toshimi Isobe, Atsuo Inoue, Akihiro Tajiri, Choji Sakuma +1 more | 1997-02-04 |
| 5595064 | Control system for air-conditioner on electric vehicle | Susumu Ikeda, Toshimi Isobe, Akihiro Tajiri, Masahiro Takagi, Mitsuru Ishikawa +1 more | 1997-01-21 |
| 5590540 | Air conditioner for vehicles | Susumu Ikeda, Toshimi Isobe, Atsuo Inoue, Toshihiko Fujita, Akihiro Tajiri +2 more | 1997-01-07 |
| 5586448 | Defrosting control system for use in an air-conditioner in an electric vehicle | Susumu Ikeda, Toshimi Isobe, Atsuo Inoue, Akihiro Tajiri, Masahiro Takagi +2 more | 1996-12-24 |
| 5572877 | Air conditioner for vehicles | Susumu Ikeda, Toshimi Isobe, Akihiro Tajiri, Mitsuru Ishikawa, Choji Sakuma | 1996-11-12 |
| 5490572 | Battery temperature control system in electric automobile | Akihiro Tajiri, Yoshihiko Hotta, Mitsuru Ishikawa, Choji Sakuma | 1996-02-13 |