Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300240 | Heat radiation plate | Kiyoshi Sakuma, Yoshiaki Tanimura, Hiroyuki Umemura, Makoto Yamada, Yu Seshimo +1 more | 1989-03-14 |
IT
Ikuo Tsukamoto
Overall (1989): #102,442 of 140,708Top 75%
1
Patents 1989