Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10773426 | Resin molding mold | Masayuki Sakai | 2020-09-15 |
| 10124514 | Resin molding mold | Masayuki Sakai | 2018-11-13 |
| 8794951 | Mold for resin molding, method for manufacturing mold for resin molding, and resin molded product | Sadayuki Yoneshima, Masayuki Sakai, Hiroshi Watanabe, Mitsuaki Samejima, Yumiko Omiya | 2014-08-05 |