Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326488 | Diffusion film, electrode having the diffusion film, and process for producing diffusion film | Tohru Sugitani, Yoshitaka Asano | 2008-02-05 |
| 7236348 | Functional sheet having reinforcing material | Yoshitaka Asano, Toru Sugitani, Daijirou Akiyama | 2007-06-26 |