Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693945 | Gas analyzer | Shigeyuki Akiyama, Masahiko Fujiwara, Fujio Koga, Naohito Shimizu, Aritoshi Yoneda | 1997-12-02 |
| 5673767 | Motor truck | Yuji Aoyagi, Masamitsu Iwatani, Tadashi Takenoshita | 1997-10-07 |