Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9028683 | Packing material with excellent hydrophilicity and process for producing the same | Katsuo Komiya, Yuji Kubo | 2015-05-12 |
| 5677380 | Planarizing material and planarizing method | Kosaburo Matsumura, Mitsumasa Akashi, Yoshitaka Tsutsumi | 1997-10-14 |
| 5290899 | Photosensitive material having a silicon-containing polymer | Akinobu Tanaka | 1994-03-01 |
| 5223376 | Method for producing fine patterns utilizing specific polymeric diazonium salt, or diazonium salt/sulfone group containing polymer, as photobleachable agent | Masaaki Todoko, Mitsutoshi Fukuda | 1993-06-29 |
| 5183722 | Positive photosensitive composition for forming lenses containing 1,2-naphthoquinone diazide sulfonate photosensitizer, alkali-soluble resin and thermosetting agent and process for producing the composition | Yoshitaka Tsutsumi, Teruhisa Uemura | 1993-02-02 |
| 5139922 | Method of making resist pattern | Hisashi Watanabe, Yoshihiro Todokoro, Mitsutoshi Fukuda | 1992-08-18 |
| 5057396 | Photosensitive material having a silicon-containing polymer | Akinobu Tanaka | 1991-10-15 |
| 4701473 | Catalyst for producing polyurethane foams coated with skin | Shoji Arai, Shinya Mizoe | 1987-10-20 |
| 4638016 | Process for producing high density elastic polyurethane using a combination of 4-methyl-1-(2-dimethylaminoethyl) piperazine together with another tertiary amine catalyst | Shoji Arai, Yutaka Tamano | 1987-01-20 |
| 4590223 | Producing polyurethanes using hydroxy-alkyl piperazine catalyst compositions | Shoji Arai | 1986-05-20 |