Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905948 | Variable displacement oil pump including swing member | Koji Saga, Yasushi Watanabe, Atsushi Naganuma | 2024-02-20 |
| 11415128 | Variable displacement pump and control method therefor | Koji Saga | 2022-08-16 |
| 11215178 | Variable capacity pump and working oil supply system for internal combustion engine | Yasushi Watanabe, Atsushi Naganuma, Koji Saga | 2022-01-04 |
| 11168684 | Variable displacement pump | Koji Saga, Yasushi Watanabe | 2021-11-09 |
| 10947972 | Variable displacement-type oil pump | Atsushi Naganuma | 2021-03-16 |
| 10947973 | Variable capacity oil pump | Atsushi Naganuma | 2021-03-16 |
| 10941681 | Oil pump and balancer unit of oil pump integrated type | Daisuke Kato, Atsushi Naganuma, Yasushi Watanabe | 2021-03-09 |
| 9903367 | Variable displacement oil pump | Yasushi Watanabe, Koji Saga, Atsushi Naganuma | 2018-02-27 |
| 9670926 | Variable displacement pump | Yasushi Watanabe | 2017-06-06 |
| 9556867 | Vane pump | Koji Saga, Yasushi Watanabe | 2017-01-31 |
| RE46294 | Variable displacement pump | Yasushi Watanabe, Atsushi Naganuma | 2017-01-31 |
| 9534596 | Variable displacement pump | Yasushi Watanabe, Koji Saga | 2017-01-03 |
| 9518484 | Variable displacement pump | Yasushi Watanabe | 2016-12-13 |
| 9494153 | Variable displacement oil pump | Yasushi Watanabe, Koji Saga | 2016-11-15 |
| 9453440 | Oil pump for internal combustion engine, and relief pressure control apparatus for oil pump | Yasushi Watanabe | 2016-09-27 |
| 9347344 | Variable-capacity oil pump and oil supply system using same | Yasushi Watanabe | 2016-05-24 |
| 9133842 | Variable displacement pump | Yasushi Watanabe, Atsushi Naganuma | 2015-09-15 |
| 9109596 | Variable displacement pump | Koji Saga, Yasushi Watanabe | 2015-08-18 |
| 9046100 | Variable vane pump with communication groove in the cam ring | Yasushi Watanabe, Koji Saga | 2015-06-02 |
| 9004882 | Variable displacement vane pump having multiple dampening springs | Koji Saga, Yasushi Watanabe | 2015-04-14 |
| 8834132 | Apparatus having control valve and variable capacitance pump and hydraulic pressure circuit of internal combustion engine in which the same apparatus is used | Hiroyuki Kato, Yoshinori Ichinosawa, Yasushi Watanabe | 2014-09-16 |
| 8684702 | Variable displacement pump | Yasushi Watanabe, Atsushi Naganuma | 2014-04-01 |
| 8613610 | Variable displacement pump | Koji Saga, Yasushi Watanabe | 2013-12-24 |
| 8545200 | Variable displacement oil pump | Yasushi Watanabe, Atsushi Naganuma | 2013-10-01 |
| 8142173 | Variable displacement vane pump | Koji Saga, Yasushi Watanabe | 2012-03-27 |