Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909866 | High strength spring and its process of manufacturing | Makoto Abe, Tetsuyuki Taniguchi, Noritoshi Takamura, Naoki Terakado, Kaoru Hatayama | 1990-03-20 |
TK
Tsuyoshi Kuriki
Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
Overall (All Time): #3,898,510 of 4,157,543Top 95%
1
Patents All Time