Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735969 | Gas heat pump type air conditioning device, engine-coolant-water heating device, and operating method for gas heat pump type air conditioning device | Tsukasa Kasagi, Hiraku Kunita, Kazuo Yamagishi | 2004-05-18 |
| 5186134 | Spiral spring type starter apparatus for an internal combustion engine | Katsutoshi Asai, Ryutaro Fukumoto, Kanji Isomichi | 1993-02-16 |
| 5163392 | Spiral spring type starter apparatus for an internal combustion engine | Katsutoshi Asai, Ryutaro Fukumoto, Kanji Isomichi | 1992-11-17 |
| 5115773 | Spiral spring type starter apparatus for an internal combustion engine | — | 1992-05-26 |
| 5113816 | Spiral spring type starter apparatus for an internal combustion engine | Katsutoshi Asai | 1992-05-19 |
| 5083534 | Spiral spring type starter apparatus for an internal combustion engine | Katsutoshi Asai, Ryutaro Fukumoto, Kanji Isomichi | 1992-01-28 |