Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879246 | Water treatment apparatus | Koichi Matsuo, Yosuke Tabata, Toshiyuki Iwama, Yoichiro Shimizu | 2011-02-01 |
| 7622042 | Water treatment apparatus and method | Eiichi Suzuki, Hayato Kurokawa, Yosuke Tabata, Toshiyuki Iwama | 2009-11-24 |
| 7455775 | Water treatment method and apparatus | Eiichi Suzuki, Hayato Kurokawa, Yosuke Tabata, Toshiyuki Iwama | 2008-11-25 |
| 6716911 | Method for producing aqueous biodegradable polyester dispersion | Ryoji Ishioka, Yoshiro Okino, Mitsuhiro Imaizumi | 2004-04-06 |
| 5594067 | Method of manufacturing water-based silicone-type graft copolymer emulsion | Wei Zhang, Masayoshi Kinugasa | 1997-01-14 |
| 5462988 | Silicone copolymer emulsion | Wei Zhang, Koichi Ishitani, Masayoshi Kinugasa | 1995-10-31 |
| 4957666 | Method of producing a slurry of microcapsules | Michio Kawamura, Yasunori Shimada, Koichi Inoshita, Shozo Yoshida, Toshiaki Kawanabe +2 more | 1990-09-18 |