Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861659 | High tenacity acrylonitrile fibers and a process for production thereof | Kenichi Hirao, Hiroyoshi Tanaka, Mitsuo Suzuki | 1989-08-29 |
| 4742260 | Piezoelectrically driving device | Hiroshi Shimizu, Sumio Sugawara, Seiki Ishibashi | 1988-05-03 |
| 4430537 | Getter and electrical switching system using such getter | Hans Sauer, Yukihiro Kondo | 1984-02-07 |