Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5134371 | Magnetic detection device using an oscillator whose detection element is a magnetoresitance effective element | Takamoto Watanabe, Yoshinori Ohtsuka, Tadashi Hattori, Kouichi Hoshino, Masanori Ohsawa +1 more | 1992-07-28 |
| 5001683 | Inter-pulse time difference measuring circuit | Harutugu Fukumoto, Yoshikazu Mizuno | 1991-03-19 |
| 4891559 | Apparatus for controlling a headlight of a vehicle | Koji Numata, Shigeyuki Akita, Minoru Nishida, Mitsuhiko Masegi | 1990-01-02 |
| 4752959 | Wiring state detecting device for vehicle | — | 1988-06-21 |
| 4672565 | Direction detecting system for vehicles | Akira Kuno, Koji Numata | 1987-06-09 |
| 4663719 | Method and apparatus for display of distance and direction to destination | Akira Kuno, Koji Numata | 1987-05-05 |
| 4661718 | Information and electrical power transmission system and method for vehicle | Shigeyuki Akita, Akira Kuno | 1987-04-28 |
| 4642776 | Automobile route information display | Koji Numata | 1987-02-10 |
| 4614932 | Alarm system for the unexpected release of a brake in a vehicle | Sukeyasu Kanno | 1986-09-30 |
| 4563685 | Return route indication device for automotive vehicles | Akira Kuno, Koji Numata | 1986-01-07 |
| 4555761 | Direction detection for a vehicle | Akira Kuno, Koji Numata | 1985-11-26 |
| 4523386 | Heading detecting apparatus | Akira Kuno, Koji Numata | 1985-06-18 |
| 4497034 | Heading detecting apparatus | Akira Kuno, Koji Numata | 1985-01-29 |
| 4495467 | Apparatus for simultaneous measurement of magnetic field components in mutually perpendicular directions | Akira Kuno, Koji Numata | 1985-01-22 |
| 4480226 | Apparatus for indicating the direction of a vehicle with abnormal field sensing circuits | Akira Kuno, Koji Numata | 1984-10-30 |
| 4472682 | Apparatus for generating a parallel magnetic field within a magnetically shielded housing | Akira Kuno, Koji Numata | 1984-09-18 |
| 4435760 | Running position indicator apparatus | Akira Kuno, Koji Numata, Susumu Urano | 1984-03-06 |
| 4399615 | Direction indicator | Akira Kuno, Koji Numata | 1983-08-23 |
| 4388666 | Demagnetizer for use in vehicles | Akira Kuno, Koji Numata | 1983-06-14 |
| 4379366 | Direction finding system | Akira Kuno, Koji Numata | 1983-04-12 |
| 4378581 | Demagnetizing apparatus for use in vehicles | Akira Kuno, Koji Numata | 1983-03-29 |
| 4367453 | Automotive driving direction and position indicator apparatus | Akira Kuno, Koji Numata, Susumu Urano | 1983-01-04 |
| 4363210 | Exhaust gas purifying system for internal combustion engines | Hisasi Kawai, Kazuhiro Sakurai | 1982-12-14 |
| 4358886 | Method of mounting an azimuth indicator in an automobile | Koji Numata, Akira Kuno | 1982-11-16 |
| 4345737 | Linear solenoid valve actuation device | Hisasi Kawai, Kazuhiro Sakurai | 1982-08-24 |