Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5510925 | Relay transmission system including optical amplification | Junichi Yoshimura | 1996-04-23 |
| 5475897 | Car door hinge | Motoyuki Satoh, Kouichi Kato, Tomoyuki Asari | 1995-12-19 |
| 5339183 | Optical signal transmission device | — | 1994-08-16 |
| 5311347 | Optical communication system with automatic gain control | Susumu Kubo, Atsuhiko Utsumi | 1994-05-10 |
| 5173708 | Attitude control system for antenna on mobile body | Sadami Mizuno, Hideharu Kato, Kazuhiko Sekino, Makoto Morita, Toshimasa Mikawa | 1992-12-22 |
| 5153485 | Biaxial rotary drive unit | Takahiro Yamada | 1992-10-06 |
| 5097502 | Telephone with speed dial and recording of remotely transmitted numbers | Kazuyuki Umebayashi | 1992-03-17 |
| 5089825 | Method of, and apparatus for controlling an antenna device | — | 1992-02-18 |
| 5061936 | Attitude control system for mobile antenna | — | 1991-10-29 |
| 4885762 | Telephone apparatus | Kazuyuki Umebayashi | 1989-12-05 |
| 4852147 | Telephone apparatus | Kazuyuki Umebayashi | 1989-07-25 |
| 4847887 | Telephone system in a vehicle | Kazuyuki Umebayashi | 1989-07-11 |
| 4801974 | Safety device for fixing heater | Toshihiko Suto | 1989-01-31 |
| 4725843 | Attitude control system for antenna on mobile body | Takahiro Yamada | 1988-02-16 |