Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185092 | Lubricating oil for refrigerator | Masaaki Fukuda, Hirotaka Tomizawa, Mitsuo Ohta, Hideki Osaka, Satoshi Ogano +2 more | 1993-02-09 |
| 4664775 | Method for manufacturing low pour point petroleum product with zeolite TSZ | Tsugio Maejima, Wataru Kobayashi, Nobuaki Tagaya, Satoshi Sakurada | 1987-05-12 |