Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769075 | Binder for manufacture of precision casting mold | Yoshitane Watanabe, Akira Kitajima, Keiko Tasaki, Yoshiro Hayashi | 1988-09-06 |
| 4769076 | Binders for manufacture of precision casting molds | Yoshitane Watanabe, Akira Kitajima, Keiko Tasaki | 1988-09-06 |