Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081619 | Digital signal multiplex communication system having signal path monitoring function | — | 1992-01-14 |
| 4987568 | Monitor system for multiplex equipment | Sigeo Shinada, Hiroyuki Fujita | 1991-01-22 |
| D310652 | Side visor for automobile | — | 1990-09-18 |
| 4779563 | Ultrasonic wave vibration apparatus for use in producing preform wire, sheet or tape for a fiber reinforced metal composite | Toshikatsu Ishikawa, Haruo Teranishi, Yoshikazu Imai | 1988-10-25 |
| 4649060 | Method of producing a preform wire, sheet or tape fiber reinforced metal composite | Toshikatsu Ishikawa, Haruo Teranishi, Yoshikazu Imai | 1987-03-10 |
| 4507354 | Electromagnetic wave absorbers of silicon carbide fibers | Toshikatsu Ishikawa, Hiroshi Ichikawa, Yoshikazu Imai, Tokuji Hayase | 1985-03-26 |