Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858287 | Photosensitive resin, and photosensitive composition | Takeo Watanabe, Hiroo Kinoshita, Shinichi Yusa, Masamichi Hayakawa, Yosuke Osawa +2 more | 2010-12-28 |
| 6448383 | Method for producing 1,2-naphthoquinonediazide photosensitive agent | Masamichi Hayakawa | 2002-09-10 |