Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074496 | High-strength oil-tempered steel wire with excellent spring fabrication property and method for producing the same | Hiroshi Yarita, Shouichi Suzuki, Taisuke Nishimura | 2000-06-13 |
| 6027577 | Manufacturing method of valve spring superior in durability | Masaaki Mikura, Taisuke Nishimura | 2000-02-22 |
| 6017641 | Coil spring resistive to delayed fracture and manufacturing method of the same | Toshinori Aoki, Taisuke Nishimura | 2000-01-25 |
| 5897717 | High strength spring steel and process for producing same | Masayuki Hashimura, Masato Yanase, Taisuke Nishimura, Hiroshi Yarita, Ikuo Ochiai +2 more | 1999-04-27 |
| 4807576 | Hydraulic lash adjuster for use in valve operating mechanism | Toshinari Sonoda, Toshihiko Matsubara, Kazuo Yoshida | 1989-02-28 |