Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730215 | Apparatus for treating waste water | Yusuke Shiota, Tohru Ishii | 2004-05-04 |
| 6632973 | Method for decomposing or oxidizing dioxins and/or poly chlorinated biphenyls contained in liquid | Junichi Miyake, Tohru Ishii | 2003-10-14 |
| 5770093 | Catalyst for treatment of waste water, method for production thereof and method for treatment of waste water therewith | Yusuke Shiota, Tohru Ishii | 1998-06-23 |
| 5620610 | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst | Tohru Ishii, Kunio Sano, Keniti Shishida, Yusuke Shiota | 1997-04-15 |
| 5534148 | Process for treating photographic waste solution | Seiji Suzuki, Kiyotaka Hori, Yusuke Shiota | 1996-07-09 |
| 5430230 | Method for disposing of organohalogen compounds by oxidative decomposition | Toru Ishii, Kazuyoshi Nishikawa | 1995-07-04 |
| 5399541 | Catalyst for treating wastewater | Tohru Ishii, Kunio Sano, Keniti Shishida, Yusuke Shiota | 1995-03-21 |
| 5374599 | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst | Tohru Ishii, Kunio Sano, Keniti Shishida, Yusuke Shiota | 1994-12-20 |
| 5192452 | Catalyst for water treatment | Tooru Ishii, Sadao Terui, Kunio Sano, Akira Inoue | 1993-03-09 |
| 5158689 | Method for purification of waste water | Tooru Ishii, Kunio Sano, Akira Inoue, Hideki Sogabe | 1992-10-27 |
| 5145657 | Method for purification of gas | Motonobu Kobayashi, Yoku Nanba, Toshihide Kanzaki, Kunio Sano, Takehiko Suzuki +1 more | 1992-09-08 |
| 5145587 | Method for treatment of waste water | Tooru Ishii, Kunio Sano, Akira Inoue | 1992-09-08 |
| 5082820 | Carrier for gas-treating catalyst, method for production thereof and gas-treating catalyst incorporating said carrier therein | Tooru Ishii, Kuinio Sano, Akira Inoue | 1992-01-21 |
| 4854123 | Method for removal of nitrogen oxides from exhaust gas of diesel engine | Motonobu Kobayashi, Futoru Kinoshita, Akira Inoue | 1989-08-08 |
| 4751005 | Method for treatment of waste water | Sadao Terui, Kunio Sano, Toshihide Kanzaki, Kazuyoshi Nishikawa, Akira Inoue | 1988-06-14 |