Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814821 | Image-forming device | Noboru Sawayama, Shinichi Kamiyama, Hideo Yuh, Masayuki Takashima | 1989-03-21 |
TS
Tadayuki Sekiya
Overall (1989): #52,402 of 140,708Top 40%
1
Patents 1989