Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831408 | Electrophotographic apparatus capable of forming images in different colors | Masao Yoshikawa, Takashi Saito | 1989-05-16 |
TK
Tatsuya Kobayashi
Overall (1989): #53,198 of 140,708Top 40%
1
Patents 1989