Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996415 | Apparatus for detecting the presence and position of an object | Hirokazu Tanaka, Kiyomitsu Ishikawa | 1991-02-26 |
| 4930349 | Gas rate sensor | Fumitaka Takahashi, Kunio Okazaki, Masaru Shiraishi, Masayuki Takahashi, Kazufumi Obara +1 more | 1990-06-05 |
| 4891624 | Rearward vehicle obstruction detector using modulated light from the brake light elements | Kiyomitsu Ishikawa, Shigeru Kimura, Kazuhiko Yamada | 1990-01-02 |
| 4712926 | Electronic timepiece | — | 1987-12-15 |
| 4699518 | Musical scale generating circuit | — | 1987-10-13 |
| 4613791 | Automatic light control apparatus for vehicle | Norimitsu Kurihara, Yoshikazu Tsuchiya, Akira Kikuchi, Kunio Okazaki | 1986-09-23 |