Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5945450 | Naphthalene derivative | Kazuya Takenouchi, Masaichi Hasegawa, Takahiro Takeuchi, Keiji Komoriya | 1999-08-31 |
| 5808144 | Benzene derivatives | Masaichi Hasegawa, Takumi Takeyasu, Naoki Tsuchiya, Naoki Hase, Takashi Kamimura | 1998-09-15 |