Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573041 | Electric wiring system having a plurality of sensors | Junji Kitagawa, Kouichi Yamanoue | 1986-02-25 |
| 4486868 | Ultrasonic wave conversion apparatus | Masao Kodera | 1984-12-04 |
| 4442512 | Ultrasonic wave transmitting and receiving device for vehicles | Masao Kodera | 1984-04-10 |
| 4418348 | Rotation position detector using stationary and rotatable disk plates | Hiroaki Tanaka | 1983-11-29 |
| 4416150 | Fuel injection timing detecting apparatus for diesel engines | Yoshiyuki Kago | 1983-11-22 |
| 4405896 | Transformer coupled position detecting apparatus with phase change detector | — | 1983-09-20 |
| 4404541 | Rear obstacle detecting system for automotive vehicles | Masao Kodera, Yasuhisa Yoshino | 1983-09-13 |
| 4386386 | Capacitor type sensor for detecting displacement or load | — | 1983-05-31 |
| 4384262 | Temperature responsive astable multivibrator | Hiroaki Tanaka | 1983-05-17 |
| 4373388 | Liquid level monitoring device | Sotoo Kitamura, Junji Kitagawa | 1983-02-15 |
| 4371835 | RPM Detection system for internal combustion engine | Yoshiyuki Kago, Katsuhisa Fujikawa | 1983-02-01 |
| 4354219 | Capacitance sensing device | — | 1982-10-12 |
| 4350981 | Capacitive rotational position detector | Hiroaki Tanaka | 1982-09-21 |
| 4344293 | Apparatus responsive to the amount of refrigerant flow in a refrigerant flow in a refrigerant circulating system | Toshitaka Fujiwara, Teiichi Nabeta, Junji Kitagawa | 1982-08-17 |
| 4339713 | Apparatus for detecting rotations | Yoshiyuki Kago, Masao Kotera | 1982-07-13 |
| 4328706 | Tachometer suitable for use in engine maintenance | Junji Kitagawa | 1982-05-11 |
| 4316158 | R-C Oscillators using plural inverters | Hiroaki Tanaka | 1982-02-16 |
| 4254485 | Temperature measuring apparatus with alarm device | — | 1981-03-03 |
| 4215575 | Apparatus for measuring temperature of ultrasonic wave propagation medium | Hisato Wakamatsu | 1980-08-05 |
| 4215582 | Ultrasonic temperature measuring apparatus | — | 1980-08-05 |
| 4201087 | Apparatus for measuring temperature | Hisato Wakamatsu | 1980-05-06 |