Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326777 | Electrochromic display device | Susumu Kakumoto, Takashi Aoyama, Masami Shoji, Mutsuaki Shinagawa | 1982-04-27 |
| 4309082 | Electrochromic display apparatus | Yoshihisa Komoto, Seizo Nakajima | 1982-01-05 |