Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364040 | Electrochromic display driver with faculties of stabilizing coloration contrast and insuring uniform bleaching condition | Hiroshi Take, Hisashi Uede | 1982-12-14 |
KK
Katubumi Koyanagi
Overall (1982): #49,980 of 81,411Top 65%
1
Patents 1982