Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378077 | Gear pump device having three member seal mechanism containing fitted insertion part to seal axial face of gear pump between inner and outer gear | Tadayoshi Usami | 2022-07-05 |
| 9556869 | Compact structure of gear pump designed to minimize loss of pumping torque | Takashi Hashiba, Naoki Hakamada, Kazunori Uchiyama, Takahiro Naganuma, Tomoaki Kawabata | 2017-01-31 |
| 9358967 | Rotary pump and braking system having the same | Kazunori Uchiyama, Naoki Hakamada, Kazuhide Uchida, Yasuhiro Kawase, Takahiro Yamaguchi +2 more | 2016-06-07 |
| 9297378 | Rotary machine and pump driving apparatus | Daishi Kato, Yuki Nakamura, Takahiro Naganuma, Tomoaki Kawabata | 2016-03-29 |
| 9297388 | Shaft seal device and pump apparatus using the same | Daishi Kato, Yuki Nakamura, Takahiro Naganuma, Tomoaki Kawabata | 2016-03-29 |
| 8851578 | Rotary pump device and vehicle brake control system | Tomoaki Kawabata | 2014-10-07 |
| 8747089 | Fluid machine and seal member used for the same | Yuki Nakamura, Nobuhiko Yoshioka, Takahiro Naganuma, Tomoaki Kawabata | 2014-06-10 |
| 8684848 | Shaft coupling apparatus | Yuki Nakamura, Nobuhiko Yoshioka, Takahiro Naganuma, Tomoaki Kawabata | 2014-04-01 |
| 8678798 | Rotary pump device having seal mechanism which includes resin member and reinforcing ring in hollow portion of resin member | Yuki Nakamura, Nobuhiko Yoshioka, Takahiro Naganuma, Tomoaki Kawabata | 2014-03-25 |
| 8651967 | Torque transmission device | Daishi Kato, Yuki Nakamura, Takahiro Naganuma, Tomoaki Kawabata | 2014-02-18 |