Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390443 | Composite magnetic member, process for producing the member and electromagnetic valve using the member | Yoshitada Katayama, Youzou Majima, Takayuki Shibata, Keizo Takeuchi, Shinya Sugiura +2 more | 2002-05-21 |
| 6187459 | Composite magnetic member, process for producing the member and electromagnetic valve using the member | Yoshitada Katayama, Keizo Takeuchi, Shinya Sugiura, Hakaru Sasaki, Tsutomu Inui | 2001-02-13 |
| 5865907 | Composite magnetic member, process for producing the member and electromagnetic valve using the member | Yoshitada Katayama, Keizo Takeuchi, Shinya Sugiura, Hakaru Sasaki, Tsutomu Inui | 1999-02-02 |
| 5492573 | High-strength stainless steel for use as material of fuel injection nozzle or needle for internal combustion engine, fuel injection nozzle made of the stainless steel | Katsuaki Fukushima, Toshio Okuno, Masakazu Ito, Keizo Takeuchi | 1996-02-20 |