Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536337 | Process for the preparation of quinones | Tatsuyoshi Komatsu, Shigeaki Numata, Toshihiko Sumino, Katsumi Matsuzaki, Katsuhiko Hioki | 1985-08-20 |
| 4277257 | Process for preventing scale deposition | Ryo Matsuura, Katsumi Matsuzaki | 1981-07-07 |