Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10442747 | Method for purifying methacrylic acid and method for producing methacrylic acid | Tomomichi Hino, Shinpei Kato, Takafumi Toyoda | 2019-10-15 |
| 6957190 | Parts management information system and parts management method, and storage medium | Masahiko Sakayori, Naoki Otsuji, Yutaka Inaba, Fujio Someya, Jotaro Takahashi | 2005-10-18 |
| 5071613 | Method for producing polyurethane type composite | Takao Fukami, Hirokazu Oka | 1991-12-10 |
| 5071939 | Method for preparing polyisocyanurate composite | Takao Fukami, Hirokazu Oka | 1991-12-10 |