Tohru Ishii
12Patents
8h-index
13Co-inventors
65Inventor score
Filing activity: Feb 13, 1989 → Jul 10, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5399541A | Catalyst for treating wastewater | Performing Operations; Transporting | 26 | Expired |
| US7298520B2 | Image printing system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6632973B1 | Method for decomposing or oxidizing dioxins and/or poly chlorinated biphenyls contained in liquid | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5374599A | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst | Chemistry; Metallurgy | 12 | Expired |
| US5940168A | Index-printed photograph DP bag, index-printed photograph film bag and index print sheet thereof | Physics | 11 | Expired |
| US5620610A | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst | Chemistry; Metallurgy | 10 | Expired |
| US4984823A | Label having sublimation transferred image | Performing Operations; Transporting | 9 | Expired |
| US5078427A | Label having sublimation transferred image | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5770093A | Catalyst for treatment of waste water, method for production thereof and method for treatment of waste water therewith | Chemistry; Metallurgy | 5 | Expired |
| US6797184B2 | Catalyst for treating waste water, method for preparing the same and process for treating waste water | Chemistry; Metallurgy | 4 | Expired |
| US6730215B2 | Apparatus for treating waste water | Chemistry; Metallurgy | 3 | Expired |
| US7247240B2 | Method for treating waste water | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.