Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221893 | Method and device for diagnosis of paint film deterioration | Takeshi Kondou | 1993-06-22 |
| 4999402 | Methacrylic acid ester resin composition | Shinichi Sakurai | 1991-03-12 |
| 4849368 | Method of producing a two-dimensional electron gas semiconductor device | Yoshimi Yamashita, Kinjiro Kosemura, Hidetoshi Ishiwari, Shigeru Kuroda | 1989-07-18 |
| 4742379 | HEMT with etch-stop | Yoshimi Yamashita, Kinjiro Kosemura, Hidetoshi Ishiwari, Shigeru Kuroda | 1988-05-03 |
| 4663572 | Process for suppressing electron beam drift phenomenon in a cathode ray tube | — | 1987-05-05 |
| 4590232 | Heat-resistant CPVC resin composition | Yoshihisa Tsubokura, Eiji Aoishi, Tamio Fujita | 1986-05-20 |
| 4578343 | Method for producing field effect type semiconductor device | Kinjiro Kosemura, Yoshimi Yamashita, Noriaki Nakayama | 1986-03-25 |
| 4546467 | Monitor for transmission line | — | 1985-10-08 |
| 4443704 | Method of electron beam exposure | Yoshimi Yamashita | 1984-04-17 |