Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767693 | Optical information recording medium | Hideaki Oba, Yutaka Ueda, Tsutomu Sato, Masaakira Umehara, Michiharu Abe +1 more | 1988-08-30 |
| 4676923 | Dichroic dyestuffs for liquid crystal and liquid crystal composition | Shigeo Yasui, Masashi Ono, Shigeo Senzai, Tatsuo Uchida | 1987-06-30 |