Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093204 | Vibration-damping composite sheet steel | Yukichi Watanabe, Masafumi Yoshida, Hidekazu Tsubone, Norio Chiba, Kunio Kawasaki +3 more | 1992-03-03 |
TD
Tomeji Doi
Nippon Kokan Co.: 1 patents #290 of 735Top 40%
Overall (All Time): #3,845,150 of 4,157,543Top 95%
1
Patents All Time