Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882389 | Electrical insulating resin | Hiroyukio Nakajima, Fumiyuki Miyamoto, Seiji Oka, Mitsuhiro Nonogaki | 1989-11-21 |
MD
Makoto Doi
Overall (1989): #81,864 of 140,708Top 60%
1
Patents 1989