Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685934 | Method of producing a reinforcing fiber sheet | Tokuzou Ikeda, Akihiro Atsumi | 1997-11-11 |
| 5653779 | Method for manufacturing quartz glass components and molding frame therefor | Hideki Tsuchida, Eiichi Shinomiya, Hiroyuki Kimura, Kimikazu Taniyama, Norikazu Fujii | 1997-08-05 |
| 5647206 | Exhaust emission purification apparatus | Takahiko Yamamoto, Hiroshi Mori, Masakazu Tanaka, Mamoru Mabuchi | 1997-07-15 |
| 5646999 | Data coypright management method | — | 1997-07-08 |
| 5635263 | Reinforcing fiber sheet and concrete structure using same | — | 1997-06-03 |
| 5634332 | Exhaust gas purification apparatus | Masakazu Tanaka, Hiroshi Mori, Mamoru Mabuchi, Hiroyuki Usami, Takahiko Yamamoto | 1997-06-03 |
| RE35490 | Thin film magnetic head having magnetic layers of different thickness and manufacturing method therefor | Masaki Ohura | 1997-04-08 |