Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078630 | Engine cooling system induction arrangement for marine inboard-outboard and outboard engines | — | 1992-01-07 |
| 4186177 | Method for catalytically reducing nitrogen oxides using moving catalyst bed reactor | Shujiro Shiga, Yasushi Okamoto, Tadashi Higasa | 1980-01-29 |