Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925691 | Binder composition for mold and method for producing mold | Hitoshi Funada, Akira Yoshida, Wataru Mizuno | 1999-07-20 |
| 5646199 | Composition for mold | Akira Yoshida, Kazuhiko Kiuchi, Akio Mamba, Hitoshi Funada | 1997-07-08 |
| 5602192 | Process for producing sand mold | Akira Yoshida, Tsutomu Tanaka, Katsumi Matsuyama, Kazuhiko Kiuchi | 1997-02-11 |
| 5169880 | Process for making foundry sand mold | Akira Yoshida, Shigeo Nakai, Akio Mamba | 1992-12-08 |
| 4906248 | Dyeing assistant composition for cellulose fibers | Shigeru Nagao | 1990-03-06 |
| 4732697 | Detergent composition for cleaning dyeing machine | Shigeru Nagao | 1988-03-22 |