Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367285 | Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions | Katsuhiko Shinozaki, Hisatoyo Yazawa, Yutaka Yamazaki, Kiyoshi Tenmaru, Yoshio Sugita +4 more | 2002-04-09 |
| 6354111 | Press-forming die for glass elements | Takashi Ota, Masashi Fukuyama, Kazutoshi Tohyama | 2002-03-12 |
| 6339377 | Article surveillance security system with self-alarm | Katsufumi Naka | 2002-01-15 |