Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536637 | Method for preventing the discoloration of areas around indentation in spot welding | Akira Sakaguchi | 1985-08-20 |
HH
Hajimu Horiuchi
Overall (All Time): #4,020,241 of 4,157,543Top 100%
1
Patents All Time