Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786715 | Electrochromic polymer comprising N,N'-diphenyl-N,N'-diphenylene-phenylene diamine units | Masazumi Ishikawa, Mikio Kawai, Takao Kase, Teruko Yoshimoto | 1988-11-22 |