Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595470 | Process for the preparation of benzene polycarboxylic acids | Nobuyuki Sugita, Koichi Nagaoka | 1986-06-17 |
| 4594005 | Fluid mixing method and apparatus | Osamu Sakamoto, Yasuhiko Tsuruta, Haruo Sasaki, Yasuo Tsukamoto | 1986-06-10 |