Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365001 | Method for preparing dialkylnaphthalene | Koji Sumitani, Keizo Shimada, Seiji Itoh, Kimihiko Sato, Risuke Suzuki | 1994-11-15 |
| 4902843 | Process for producing M-xylene from O-xylene | Tamio Onodera | 1990-02-20 |
| 4700012 | Process for isomerizing xylene | Tamio Onodera, Kimihiko Sato, Koji Sumitani | 1987-10-13 |