Issued Patents All Time
Showing 101–102 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593517 | Regenerating material and refrigerator using the same | Masashi Sahashi, Yoichi Tokai, Akihiko Tsutai, Masami Okamura, Yukiko Nishiyama +1 more | 1997-01-14 |
| 5113109 | Optical interference film and lamp having the same | Akira Kawakatsu, Yoji Yuge | 1992-05-12 |