Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870049 | Heat sensitive paper | Yoichi Yamamoto, Hironori Fujii, Koji Uhara, Hirofumi Tanaka | 1989-09-26 |
TT
Toshio Takehara
Overall (1989): #48,026 of 140,708Top 35%
1
Patents 1989