Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876473 | Armature | Toshinori Tanaka, Akira Morishita | 1989-10-24 |
SM
Shigekazu Miyazaki
Overall (1989): #57,318 of 140,708Top 45%
1
Patents 1989