Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416796 | Float melting apparatus and method employing axially movable crucibles | Kazuyuki Sakuraya, Toshiaki Watanabe, Motoo Yamazaki, Tadashi Morita, Tatsuo Take +1 more | 1995-05-16 |
| 5394432 | Levitating and fusing device | Kazuyuki Sakuraya, Toshiaki Watanabe, Motoo Yamazaki, Tadashi Morita, Tatsuo Take +1 more | 1995-02-28 |
| 4419128 | Continuous melting, refining and casting process | Ryuichi Nakagawa, Shiro Yoshimatsu, Akira Sato, Tsuyoshi Ozaki | 1983-12-06 |
| 4242177 | Method for oxidizing malodorous sulfur compounds in kraft cooking liquor | Masayuki Suzuki, Nobuo Onuma, Fumihiko Ishizuka, Shinichi Hara, Akira Osawa | 1980-12-30 |