| 11598334 |
Vane pump having a side member including a triangular-shaped protruding opening portion in communication with a back pressure opening portion for preventing wear of an inner circumference cam face |
Koichiro Akatsuka |
2023-03-07 |
| 9897086 |
Vane pump |
Tomoyuki Fujita, Koichiro Akatsuka, Hiroki GOMI |
2018-02-20 |
| 9879670 |
Variable displacement vane pump |
Koichiro Akatsuka, Tomoyuki Fujita |
2018-01-30 |
| 9664188 |
Variable displacement vane pump |
Tomoyuki Fujita, Masamichi Sugihara, Koichiro Akatsuka |
2017-05-30 |
| 9644626 |
Vane pump |
Koichiro Akatsuka, Tomoyuki Fujita |
2017-05-09 |
| 9611848 |
Variable displacement vane pump having connection groove communicating with suction-side back pressure port thereof |
Koichiro Akatsuka, Tomoyuki Fujita |
2017-04-04 |
| 9567997 |
Variable capacity type vane pump |
Koichiro Akatsuka, Tomoyuki Fujita, Masamichi Sugihara |
2017-02-14 |
| 9534595 |
Variable displacement vane pump |
Koichiro Akatsuka, Tomoyuki Fujita, Masamichi Sugihara |
2017-01-03 |
| 9488175 |
Variable capacity type vane pump |
Koichiro Akatsuka, Tomoyuki Fujita, Masamichi Sugihara |
2016-11-08 |
| 9482228 |
Variable capacity vane pump with a rotor and a cam ring rotatable eccentrically relative to a center of the rotor |
Tomoyuki Fujita, Masamichi Sugihara, Koichiro Akatsuka |
2016-11-01 |
| 6502227 |
LSI design method which never produces timing error having influence on entire specification of LSI function, after design of layout and circuit of detailed portion |
— |
2002-12-31 |
| 4875633 |
Paper splicing device |
Seiji Mochizuki |
1989-10-24 |