Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835155 | Sealing of a gear pump | Takashi Hashiba, Naoki Hakamada, Tomoaki Kawabata | 2017-12-05 |
| 9556869 | Compact structure of gear pump designed to minimize loss of pumping torque | Takashi Hashiba, Naoki Hakamada, Kazunori Uchiyama, Tomoaki Kawabata, Kunihito Ando | 2017-01-31 |
| 9297378 | Rotary machine and pump driving apparatus | Kunihito Ando, Daishi Kato, Yuki Nakamura, Tomoaki Kawabata | 2016-03-29 |
| 9297388 | Shaft seal device and pump apparatus using the same | Daishi Kato, Kunihito Ando, Yuki Nakamura, Tomoaki Kawabata | 2016-03-29 |
| 9046102 | Gear pump device with seal mechanism | Yuki Nakamura | 2015-06-02 |
| 8747089 | Fluid machine and seal member used for the same | Yuki Nakamura, Kunihito Ando, Nobuhiko Yoshioka, Tomoaki Kawabata | 2014-06-10 |
| 8684848 | Shaft coupling apparatus | Yuki Nakamura, Kunihito Ando, Nobuhiko Yoshioka, 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, Kunihito Ando, Nobuhiko Yoshioka, Tomoaki Kawabata | 2014-03-25 |
| 8651967 | Torque transmission device | Kunihito Ando, Daishi Kato, Yuki Nakamura, Tomoaki Kawabata | 2014-02-18 |
| 7599189 | Board-housing case and fluid pressure control device including thereof | Kosei Nishimoto, Koji Yanai | 2009-10-06 |