Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366211 | Orifice plate and manufacturing method of the orifice plate | Shiro Torizuka, Takafumi Komatsu, Hitoshi Kobayashi, Shin-ichi Nagayama, Mitsuyuki Tanaka | 2016-06-14 |
| 7647804 | Large strain-introducing working method and caliber rolling device | Tadanobu Inoue, Shiro Torizuka, Kotobu Nagai | 2010-01-19 |