Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245346 | Interrogator/transponder system and mobile transponder device | Yoshihiro Nishimura, Hidehiro Tomioka, Shin Yamamoto, Norikazu Ohta, Yoshihisa Harata +2 more | 1993-09-14 |
| 4869094 | Gas sampling valve | Toshihiro Ozasa, Hideaki Takahashi, Haruyoshi Kondo | 1989-09-26 |
| 4633830 | Direct injection internal combustion engine of compression ignition type | Yujiro Oshima, Masatoshi Yamada, Nobuyuki Mori, Katsuhiko Sugiyama, Taro Aoyama +1 more | 1987-01-06 |
| 4609262 | Aspherical lens for use in optical equipment | Taketoshi Fujikawa | 1986-09-02 |