Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5801667 | Vehicle display which reduces driver's recognition time of alarm display | Youji Shimizu, Tomio Jindo, Wataru Yagihashi | 1998-09-01 |
| 5129704 | Automatic adjustable seat | Yoichi Kishi, Hideyuki Nagashima | 1992-07-14 |
| 5127708 | Seat with fatigue lessening device | Yoichi Kishi, Hideyuki Nagashima, Akira Mochizuki | 1992-07-07 |
| 4922426 | Control system for vehicle equipment | Hideo Obara | 1990-05-01 |
| 4900079 | Control system for vehicle equipment | Hideo Obara, Akira Kimitsuka | 1990-02-13 |
| 4866776 | Audio speaker system for automotive vehicle | Junichi Kasai, Hiroshi Imai | 1989-09-12 |
| 4720867 | Woofer system for an automotive audio system with a protecter therefor | Hiroshi Imai, Junichi Kasai | 1988-01-19 |
| 4611199 | Alarm system and method for sensing a stand-by state in a driver drowsiness detection system | Yasutoshi Seko, Haruhiko Iizuka, Hideo Obara | 1986-09-09 |
| 4604611 | System and method for detecting driver drowsiness including detection of steering rotation and reversal | Yasutoshi Seko, Haruhiko Iizuka, Hideo Obara | 1986-08-05 |
| 4602247 | Method and system for detecting driver fatigue including differentiation of effects of rest periods | Yasutoshi Seko, Haruhiko Iizuka, Hideo Obara | 1986-07-22 |
| 4594583 | Method and system for detection of driver drowsiness by an abrupt steering change following no steering movement | Yasutoshi Seko, Haruhiko Iizuka, Hideo Obara | 1986-06-10 |
| 4586032 | Warning system for dozing at wheel | Yasutoshi Seko, Noburu Fukasawa | 1986-04-29 |
| 4581607 | System and method for detecting driver drowsiness of a vehicle | Yasutoshi Seko, Haruhiko Iizuka, Hideo Obara | 1986-04-08 |
| 4565997 | Warning device for a vehicle | Yasutoshi Seko | 1986-01-21 |
| 4564833 | Dozing warning system for a vehicle | Yasutoshi Seko | 1986-01-14 |
| 4555694 | Display device for a vehicle | Yasutoshi Seko | 1985-11-26 |
| 4551849 | Vehicle panel speaker for automotive audio system utilizing part of a vehicle panel as a sound-producing medium | Junichi Kasai, Akio Ajimine, Yoshiaki Murakami, Akimitsu Shino, Tatsuya Watanabe | 1985-11-05 |
| 4550428 | Driver unit for automotive audio speaker | Junichi Kasai, Akio Ajimine, Tatsuya Watanabe, Akimitsu Shino, Yoshiaki Murakami | 1985-10-29 |
| 4518954 | Dozing warning device for a vehicle | Yasutoshi Seko | 1985-05-21 |
| 4514599 | Speaker for automotive vehicle audio system having a vehicle panel serving as sound-amplifying medium | Junichi Kasai | 1985-04-30 |
| 4509040 | Alarm system for preventing an automotive vehicle driver from dozing at the wheel | Yasutoshi Seko, Masami Inoue | 1985-04-02 |
| 4502122 | Method and apparatus for measuring vehicle driver's fatigue to give an alarm | Yasutoshi Seko | 1985-02-26 |
| 4499340 | Speaker for automotive audio system with vehicle panel utilized as sound amplifying medium | Junichi Kasai, Akio Ajimine, Yoshiaki Murakami, Akimitsu Shino, Tatsuya Watanabe | 1985-02-12 |
| 4496938 | Drowsiness alarm system for a vehicle | Yasutoshi Seko, Masami Inoue | 1985-01-29 |
| 4463347 | Drowsiness alarm system for a vehicle | Yasutoshi Seko | 1984-07-31 |