Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659106 | Catalytic distillation process for mercaptan and olefin removal | Stanley J. Frey | 1997-08-19 |
| 5609145 | Internal combustion engine ignition system | Naohito Kato | 1997-03-11 |
| 5599661 | Reagent for measuring direct bilirubin | Shoji Senba, Keisuke Kurosaka, Hitoshi Kondo, Hiroshi Suzuki | 1997-02-04 |