Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352051 | Writing instrument | Takashi Tamura, Masamitsu Nagahama, Koichi Enuma, Yoshihiro Wada, Masayuki Kawasaki +1 more | 1994-10-04 |
| 5217313 | Writing instrument | Takashi Tamura, Masamitsu Nagahama, Koichi Enuma, Yoshihiro Wada, Masayuki Kawasaki +1 more | 1993-06-08 |
| 5190385 | Ink ribbon regenerating device | Tetuo Taguchi, Hiroshi Wada, Keiichi Emura, Yutaka Shinohara, Yoshihiro Wada +2 more | 1993-03-02 |