Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959916 | Valve and manufacturing method thereof | Mitsuo Chigasaki, Jiro Kuniya, Yoshihisa Kiyotoki, Kikuo Takeshima, Akira Sakamoto +1 more | 2005-11-01 |
| 6896978 | Joint construction of cobalt-based alloy | Yoshihisa Kiyotoki, Mitsuo Chigasaki, Jiro Kuniya, Takahiko Kato, Yoshiteru Chiba | 2005-05-24 |
| 6889957 | Joint construction of cobalt-based alloy | Yoshihisa Kiyotoki, Mitsuo Chigasaki, Jiro Kuniya, Takahiko Kato, Yoshiteru Chiba | 2005-05-10 |
| 6886809 | Joint construction of cobalt-based alloy | Yoshihisa Kiyotoki, Mitsuo Chigasaki, Jiro Kuniya, Takahiko Kato, Yoshiteru Chiba | 2005-05-03 |
| 6672330 | Valve bonded with corrosion and wear proof alloy and apparatuses using said valve | Mitsuo Chigasaki, Jiro Kuniya, Yoshihisa Kiyotoki, Takahiko Kato, Yoshiteru Chiba | 2004-01-06 |
| 4356076 | Apparatus for the anodic oxidation of aluminum | Yasuhito Togawa | 1982-10-26 |