Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802999 | Lubricating grease | Hideo Matsuzawa | 1989-02-07 |
TK
Takehiro Koizumi
Overall (1989): #53,179 of 140,708Top 40%
1
Patents 1989