Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420034 | Binder composition and process for manufacturing board by using the binder composition | Akihiro Takahashi, Masaki Sugawara, Takeshi Ito, Hideki Todoroki, Hiroaki Sakaguchi | 2002-07-16 |
| 5183647 | Method for purifying nitrogen trifluoride gas | Isao Harada, Toshiaki Yamaguchi | 1993-02-02 |
| 4948571 | Process for purifying nitrogen trifluoride gas | Isao Harada, Toshiaki Yamaguchi | 1990-08-14 |