Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7119151 | Antimicrobial agent and production process thereof | Haruo Watanabe, Tsutomu Noguchi | 2006-10-10 |
| 7081510 | Shell material for recording media | Masahiro Sawaguchi, Daisuke Hasegawa, Tadanori Kawamura | 2006-07-25 |
| 7067099 | Method for preparing aluminum sulfate, aluminum sulfate, method for improving yield of aluminum sulfate, and use of nitric acid | — | 2006-06-27 |
| 7049475 | Organic compound decomposing method | — | 2006-05-23 |
| 7045214 | Method for recycling optical disk, resin composition for forming film, and resin molded article | — | 2006-05-16 |
| 7037951 | Process for regenerating resins | — | 2006-05-02 |
| 7037981 | High molecular weight flocculant | Haruo Watanabe, Tsutomu Noguchi | 2006-05-02 |
| 6977102 | Absorber and method of manufacturing the absorber | Haruo Watanabe, Tsutomu Noguchi | 2005-12-20 |
| 6969743 | Method for utilizing sulfuric acid/peroxide liquid mixture | — | 2005-11-29 |
| 6938626 | Method and apparatus for wet-cleaning substrate | — | 2005-09-06 |
| 6930154 | Method for producing a high-molecular weight flocculant | Haruo Watanabe, Tsutomu Noguchi | 2005-08-16 |
| 6849201 | Waste water treatment material, waste water treatment method, sludge dehydrating agent and sludge treatment method | Haruo Watanabe, Shigeo Kiuchi, Takaaki Kano | 2005-02-01 |
| 6799589 | Method and apparatus for wet-cleaning substrate | — | 2004-10-05 |
| 6723932 | Water immersed electrical switch and method for preparation thereof | Hiroshi Ohki, Haruo Watanabe, Tsutomu Noguchi | 2004-04-20 |
| 6720365 | Additive for resin, additive-containing resin, and method for producing the same | Yuko Fujihira | 2004-04-13 |
| 6649070 | Method for utilizing sulfuric acid/peroxide liquid mixture | — | 2003-11-18 |
| 6573336 | Wastewater treating agent, method for wastewater treatment, sludge dehydrant and method for sludge treatment | Haruo Watanabe, Shigeo Kiuchi, Takaaki Kano | 2003-06-03 |
| 6545070 | Composition of ionic substituted polystyrene and stabilizer(s) | Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya | 2003-04-08 |
| 6417288 | Method of manufacturing polyelectrolyte | Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya | 2002-07-09 |
| 6348545 | Water-absorbing resin and manufacturing method | Haruo Watanabe, Tsutomu Noguchi | 2002-02-19 |
| 6316507 | High molecular flocculant, method for producing the floucculant and water-treatment method employing the flocculant | Harou Watanabe, Tsutomu Noguchi | 2001-11-13 |
| 6274681 | Method of manufacturing polyelectrolyte from styrene polymers | Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya | 2001-08-14 |
| 6261461 | Method for treating waste water with a polymer aggregating agent | Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya | 2001-07-17 |
| 6210581 | Method of separating flame retardant from plastic composition | Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya | 2001-04-03 |
| 6190575 | Polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water | Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya | 2001-02-20 |