Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677380 | Planarizing material and planarizing method | Mitsumasa Akashi, Yoshitaka Tsutsumi, Masazumi Hasegawa | 1997-10-14 |
| 5212043 | Photoresist composition comprising a non-aromatic resin having no aromatic structures derived from units of an aliphatic cyclic hydrocarbon and units of maleic anhydride and/or maleimide and a photosensitive agent | Takashi Yamamoto, Masaaki Todoko, Toru Seita, Kyoko Nagaoka | 1993-05-18 |