Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600556 | Mold for casting and method of surface treatment thereof | Hiroaki Koyama, Yasuhiro Shimamura, Michiharu Hasegawa, Fumitaka Miyagawa | 2009-10-13 |
| 7497243 | Mold for casting and method for manufacture thereof | Hiroaki Koyama, Yasuhiro Shimamura, Michiharu Hasegawa, Naoji Yamamoto, Masahito Hasuike +2 more | 2009-03-03 |