Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920897 | Thermo valve and method of manufacturing same | Yoshiharu Fuju | 2021-02-16 |
| 10851687 | Relief valve device | Takatoshi Watanabe, Atsushi Kaneko, Yuya Kato | 2020-12-01 |
| 10837560 | Method of manufacturing thermo valve and thermo valve | Kazuo Shoji, Soichi Yoshino | 2020-11-17 |
| 10677118 | Thermo valve and oil pump | Kazuo Shoji, Soichi Yoshino | 2020-06-09 |
| 10641143 | Relief device of oil circuit of engine | Takatoshi Watanabe, Yuya Kato | 2020-05-05 |
| 10288177 | Method of manufacturing thermo valve and thermo valve | Kazuo Shoji, Soichi Yoshino | 2019-05-14 |
| 10253661 | Relief device for oil pump | Hidehiko Koyashiki, Takatoshi Watanabe | 2019-04-09 |
| 10247066 | Relief valve device | Takatoshi Watanabe, Atsushi Kaneko, Yuya Kato | 2019-04-02 |
| 10094254 | Temperature sensitive valve mechanism | Kazuo Shoji, Yuya Kato | 2018-10-09 |
| 10066621 | Internal gear pump including an outer ring having cam protruded parts | Masato Izutsu, Takatoshi Watanabe, Yasuhiro Kosugi, Kosuke Yamane | 2018-09-04 |
| 9638189 | Oil pump structure | Takatoshi Watanabe, Masato Izutsu, Masaki Ogawara | 2017-05-02 |
| 9399994 | Internal gear pump | Masato Izutsu, Takatoshi Watanabe | 2016-07-26 |
| 9341093 | Control valve | Hidehiko Koyashiki, Takatoshi Watanabe | 2016-05-17 |
| 9249700 | Oil pump unit with variable flow rate | Keiichi Kai, Noriyuki Kawamata, Toshimasa Mitsubori, Satoshi Ino | 2016-02-02 |
| 9212780 | Control valve | Hidehiko Koyashiki, Takatoshi Watanabe | 2015-12-15 |
| 9163598 | Engine with variable flow rate oil pump | Yasunori Ono, Noriyuki Kawamata, Hayato Maehara, Eisuke Kajihara, Kazuhiro Takeuchi +2 more | 2015-10-20 |
| 9109479 | Engine lubrication control system | Takatoshi Watanabe, Hidehiko Koyashiki | 2015-08-18 |
| 9068485 | Engine lubrication control system | Takatoshi Watanabe, Hidehiko Koyashiki | 2015-06-30 |
| 9038659 | Relief valve device | Manabu Watanabe | 2015-05-26 |
| 8926299 | Pump device | Manabu Watanabe, Masato Izutsu, Takatoshi Watanabe | 2015-01-06 |
| 8616857 | Oil pump unit with variable flow rate | Keiichi Kai, Noriyuki Kawamata, Toshimasa Mitsubori, Satoshi Ino | 2013-12-31 |