Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329556 | Process for preparing bisphenol A | Katsuhiko Sakura, Shingo Ueda, Shyouta Shirasaka, Toshikazu Maruyama, Yasuharu Hukuda +2 more | 2001-12-11 |
| 5321182 | Process for preparing 2-alkyl-6-ethylnaphthalene | Mituru Shiroshita, Kazuyoshi Kariu, Yasuhiro Shimoura | 1994-06-14 |
| 5300721 | Method for separating 2,6-diethylnaphthalene | Kazuyoshi Kariu, Mitsuru Shiroshita | 1994-04-05 |
| 4943553 | Method of making ethylbiphenyls | Kathuhiko Sakura, Naoko Takeshita | 1990-07-24 |