Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883621 | Method for forming cast article by slip casting | Tatsuo Natori, Akihide Watanabe, Toshihiro Yamada | 1989-11-28 |
| 4871497 | Slip casting method | Tatsuo Natori, Akihide Watanabe, Toshihiro Yamada | 1989-10-03 |
| 4812278 | Process for preparing mold | Tatsuo Natori, Susumu Hioki, Toshihiro Yamada, Akihide Watanabe, Kensuke Kanekatsu | 1989-03-14 |
| 4808360 | Method of producing mold for slip casting and method of molding slip casting | Tatsuo Natori, Toshihiro Yamada, Kazuaki Yokoi | 1989-02-28 |