Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7054563 | Multi-channel optical communication system that controls optical reflection for each channel and optical transmitting and receiving apparatus therefor | — | 2006-05-30 |
| 6411821 | Telephone regulation system and portable telephone terminal device used in such a system | — | 2002-06-25 |
| 6036209 | System for managing safe mobile run by scanning lane | Kenji Tenmoku, Osamu Shimizu | 2000-03-14 |
| 5261717 | Sun visor apparatus for vehicles | Nobuo Komatsu | 1993-11-16 |
| 5117301 | System for transmitting information to moving object | — | 1992-05-26 |
| 5035058 | Chain saw guide bar | Yozo Date | 1991-07-30 |
| 5014435 | Chain saw guide bar | Yozo Date | 1991-05-14 |
| 4729660 | Position measuring apparatus of moving vehicle | Takeshi Tsumura | 1988-03-08 |
| 4570062 | System for optically transferring information between a moving object and a fixed position | Shigeki Kamei, Akira Takahashi | 1986-02-11 |
| 4570060 | Follow-up guidance and information transfer system for a moving object on the ground using the light beam | Shigeki Kamei, Hiroji Waratani, Akira Takahashi | 1986-02-11 |
| 4489493 | Chain saw guide bar | — | 1984-12-25 |
| 4488233 | Path indicating apparatus of moving vehicle | — | 1984-12-11 |
| 4305077 | System for measuring current position and/or moving direction of vehicle | — | 1981-12-08 |