Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7906004 | Method of forming oxide film by anodically oxidizing in an electrolyte solution | Fumikazu Mizutani, Yasuhiro Kawase, Makoto Ishikawa | 2011-03-15 |
| 6806206 | Etching method and etching liquid | Masaki Munakata, Hirohito Komatsu, Satoshi Kumon, Kazuma Teramoto, Nobuhiro Goda +3 more | 2004-10-19 |
| 5389203 | Paper-making additives comprising cationic polymers | Shigeru Sawayama, Kohichi Satoh, Shin Sato | 1995-02-14 |
| 5281340 | Cationic polymer flocculating agents | Shin Sato, Shigeru Sawayama | 1994-01-25 |