Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536105 | Device for fixing rotary body | — | 1996-07-16 |
| 5156381 | Reference plane moving device | — | 1992-10-20 |
| 4865301 | Apparatus for handling workpieces | — | 1989-09-12 |
| 4865521 | Vacuum breaking device for ejector pump | Akira Yamaguchi | 1989-09-12 |
| 4861952 | Pressure activated switch | — | 1989-08-29 |
| 4861232 | Vacuum generating device | Akira Yamaguchi | 1989-08-29 |
| 4848392 | Solenoid on-off valve | Akira Yamaguchi | 1989-07-18 |
| 4687021 | Vacuum valve-sensor device | Teruo Kanno, Akira Yamaguchi | 1987-08-18 |
| D291089 | Ram for industrial robots or the like | — | 1987-07-28 |
| 4655692 | Ejector pump having pressure operated motive fluid valve and electromagnetic change-over valve | — | 1987-04-07 |
| 4627362 | Air sliding device for work pallets or the like | Minoru Kato, Keiichi Tachikawa | 1986-12-09 |
| 4623154 | Center chuck assembly | Tomeo Konishi | 1986-11-18 |
| 4600230 | Fluid feeding valve and a vacuum chuck apparatus using same | — | 1986-07-15 |
| 4600363 | Ejector pump having an electromagnetic motive fluid valve | Masakichi Kawada | 1986-07-15 |
| 4596509 | Apparatus for moving and stopping tools | Minoru Kato, Keiichi Tachikawa | 1986-06-24 |
| 4495965 | Flow regulating valve | — | 1985-01-29 |
| 4432701 | Vacuum controlling device | — | 1984-02-21 |
| D271586 | Combined vacuum pump and control valve therefor | — | 1983-11-29 |
| D271587 | Combined vacuum pump and control valve therefor | — | 1983-11-29 |
| 4402651 | Vacuum generating device | — | 1983-09-06 |
| 4340234 | Flow regulating valve and fluid feeding apparatus using same | — | 1982-07-20 |