Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5732761 | Shell mold for casting a cylindrical product, apparatus for molding the shell mold, and casting method using the shell mold | Akio Shimizu, Masaru Usui, Takehiro Nagaya, Yoshio Kashiwagi, Toshihiro Nishiwaki | 1998-03-31 |
| 5711365 | Shell molding apparatus | Akio Shimizu, Hiroshi Suzuki, Shigeyuki Kinoshita, Keiji Wada, Yasuo Kawai | 1998-01-27 |