Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10068729 | Switch device | Eijirou Shimoyama, Noriyoshi Machida | 2018-09-04 |
| 9786453 | Rotational operation type switch | Noriyoshi Machida | 2017-10-10 |
| 9653235 | Switch device | Eijirou Shimoyama, Noriyoshi Machida | 2017-05-16 |
| 7602052 | Semiconductor device | Satoshi Utsunomiya | 2009-10-13 |
| 5278808 | Operating unit attaching and removing apparatus for a vehicle-mounted acoustic device | — | 1994-01-11 |
| 4913587 | Form assembly for making covering wall of tunnel made by shield type excavator | Fumitaka Kumai | 1990-04-03 |
| 4799824 | Method of making covering wall of tunnel made by shield type excavator | Fumitaka Kumai | 1989-01-24 |