Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7847574 | Semiconductor device | Kazuhiro Yoshida, Takashi Ohtori | 2010-12-07 |
| 4902472 | High strength stainless steel | Susumu Isobe | 1990-02-20 |
| 4227923 | Plastic molding steel having improved resistance to corrosion by halogen gas | Toshiyuki Watanabe, Noriyoshi Shibata, Takayoshi Shimizu | 1980-10-14 |