Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340684 | Photosensitive composition and resin-encapsulated semiconductor device | Masayuki Oba, Naoko Kihara, Yukihiro Mikogami | 1994-08-23 |
| 5326675 | Pattern forming method including the formation of an acidic coating layer on the radiation-sensitive layer | Hirokazu Niki, Naohiko Oyasato, Yasunobu Onishi, Akitoshi Kumagae, Kazuo Sato +2 more | 1994-07-05 |
| 5100768 | Photosensitive composition | Hirokazu Niki, Yasunobu Onishi, Yoshihito Kobayashi | 1992-03-31 |
| 5091282 | Alkali soluble phenol polymer photosensitive composition | Yasunobu Onishi, Hirokazu Niki, Yoshihito Kobayashi, Toru Ushirogouchi | 1992-02-25 |