Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10304642 | Switch device cover permitting partial accessibility | Hirokazu Sato | 2019-05-28 |
| 6563579 | Measurement apparatus for measuring internal quality of object | Mikio Kimura, Toyohiko Aoki, Hirotsugu Hashimoto, Takeshi Ota | 2003-05-13 |
| 6252230 | Refraction type non-destruction measuring apparatus | Mikio Kimura | 2001-06-26 |
| 6233051 | Measurement apparatus for measuring internal quality of object | Mikio Kimura, Toyohiko Aoki, Hirotsugu Hashimoto, Takeshi Ota | 2001-05-15 |
| 6137581 | Measurement apparatus for measuring internal quality of object | Mikio Kimura, Toyohiko Aoki, Hirotsugu Hashimoto, Takeshi Ota | 2000-10-24 |
| 5138117 | Watertight sealing lip for grommet | Ryuetsu Oikawa | 1992-08-11 |
| 4928349 | Grommet structure | Ryuetsu Oikawa | 1990-05-29 |
| 4839937 | Grommet structure | Ryuetsu Oikawa | 1989-06-20 |
| 4782301 | Fuse inspection device | Hikoo Dohi, Ryuetsu Oikawa | 1988-11-01 |