Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326488 | Diffusion film, electrode having the diffusion film, and process for producing diffusion film | Michinao Hayashi, Tohru Sugitani | 2008-02-05 |
| 7236348 | Functional sheet having reinforcing material | Toru Sugitani, Michinao Hayashi, Daijirou Akiyama | 2007-06-26 |
| 4967924 | Cover mounting assembly for electrical junction box | Haruyoshi Murofushi | 1990-11-06 |