Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291402 | Surface-treated steel sheets of good white rust resistance, and method for producing them | Okai Kazuhisa, Naoto Yoshimi, Takahiro Kubota, Masaaki Yamashita, Hisato Noro +8 more | 2007-11-06 |
| 6677053 | Surface-treated steel sheet and production method therefor | Takafumi Yamaji, Kenji Morita, Masaaki Yamashita, Etsuo Hamada | 2004-01-13 |
| 6562474 | Coated steel sheet having excellent corrosion resistance and method for producing the same | Naoto Yoshimi, Satoru Ando, Masaru Sagiyama, Akihiko Furuta, Masaaki Yamashita +6 more | 2003-05-13 |
| 6219482 | Metallic tubes for housing optical fibers and process for producing the same | Yoshiharu Sugimoto, Masaru Sagiyama, Yasunori Yoshie | 2001-04-17 |
| 4805547 | Anchor for hooking, severing and holding marine cable | Yoshihiro Ejiri, Taiichiro Nakai, Yoshiro Yamaguchi | 1989-02-21 |
| 4761649 | Cable detector | Shigeki Taniguchi | 1988-08-02 |