Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949226 | Sodium-based dechlorinating agent and waste treatment equipment | Masumi Itaya, Yoshinao Hirano, Hiroaki Harada, Hachiro Hirano, Sigeru Sakurai +2 more | 2005-09-27 |
| 6482379 | Sodium-based dechlorinating agent and waste treatment equipment | Masumi Itaya, Yoshinao Hirano, Hiroaki Harada, Hachiro Hirano, Sigeru Sakurai +2 more | 2002-11-19 |
| 5368650 | Method and apparatus for washing conveyer belt in heat treatment apparatus | Masaaki Tanaka | 1994-11-29 |
| 5322368 | Dough mixer | Masaaki Tanaka | 1994-06-21 |