Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7445680 | Lead-free steel for machine structural use with excellent machinability and low strength anisotropy | Naoki Iwama, Susumu Owaki, Masao Uchiyama, Isao Fujii, Syoji Nishimon +4 more | 2008-11-04 |
| 7195736 | Lead-free steel for machine structural use with excellent machinability and low strength anisotropy | Naoki Iwama, Susumu Owaki, Masao Uchiyama, Isao Fujii, Syoji Nishimon +4 more | 2007-03-27 |
| 4499442 | Transfer-type electromagnetic relay comprising a permanent magnet under a fixed contact stud | Yuichi Kamo, Nobuo Mikami, Kazutoshi Wakamatsu | 1985-02-12 |
| 4290037 | Flat electromagnetic relay | Takashi Inagawa, Naoto Kushida, Akira Sekiguchi, Matujiro Ikeda, Hidetoshi Sugawara | 1981-09-15 |