Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862666 | Highly anticorrosive high strength stainless steel pipe for linepipe and method for manufacturing same | Mitsuo Kimura, Yoshio Yamazaki, Ryosuke Mochizuki | 2011-01-04 |
| 7842141 | Stainless-steel pipe for oil well and process for producing the same | Mitsuo Kimura, Takaaki Toyooka | 2010-11-30 |
| 7767037 | High strength stainless steel pipe for use in oil well having superior corrosion resistance and manufacturing method thereof | Mitsuo Kimura, Yoshio Yamazaki, Ryosuke Mochizuki | 2010-08-03 |
| 4959275 | Process and equipment for micro-pattern forming on roll surface, metal sheets for pressworking prepared by the roll, and method of preparing same | Takaaki Iguchi, Takaaki Hira, Kunio Isobe, Ikuo Yarita, Hideo Abe | 1990-09-25 |