Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007716 | Steel wire for high strength spring excellent in workability and high strength | Sumie Suda, Nobuhiko Ibaraki, Noritoshi Takamura, Satoru Tendo, Tadayoshi Fujiwara +1 more | 2011-08-30 |
| 4909866 | High strength spring and its process of manufacturing | Makoto Abe, Tetsuyuki Taniguchi, Tsuyoshi Kuriki, Noritoshi Takamura, Kaoru Hatayama | 1990-03-20 |