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, Taiti Yoshikawa, Masaru Usui, Takehiro Nagaya, Toshihiro Nishiwaki | 1998-03-31 |
| 4579091 | Cylinder head for internal combustion engines | Tsuneo Tanai | 1986-04-01 |