Kazuo Ishiwari
18Patents
8h-index
30Co-inventors
72Inventor score
Filing activity: Aug 11, 1983 → Oct 13, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6372870B1 | Tetrafluoroethylene copolymer and use thereof | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6538084B2 | Tetrafluoroethylene copolymer and use thereof | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4542957A | Plastics optical fibers | Performing Operations; Transporting | 16 | Expired |
| US5159019A | Sliding material composition | Chemistry; Metallurgy | 12 | Expired |
| US5041500A | Heterogeneous fluorine-containing polymer blend composition | Chemistry; Metallurgy | 11 | Expired |
| US5394232A | Electrophotographic color printing method | Physics | 10 | Expired |
| US5118788A | Process for preparing polytetrafluoroethylene powder | Chemistry; Metallurgy | 9 | Expired |
| US6680124B1 | Fluorochemical adhesive material and laminate made with the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5179167A | Meltable fluorine-containing resin composition | Chemistry; Metallurgy | 8 | Expired |
| US4569871A | Material for optical disks | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5470901A | Polyphenylene sulfide resin composition and process for preparing the same | Chemistry; Metallurgy | 8 | Expired |
| US6994908B1 | Polytetrafluoroethylene laminated article | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6987224B2 | Polytetrafluoroethylene mixed powder used for insulation of product for high frequency signal transmission and product for high frequency signal transmission using the same | Electricity | 4 | Expired |
| US5784677A | Electrophotographic printer and printing method using specific intermediate transfer drum and transfer roller arrangement | Physics | 3 | Expired |
| US4690869A | Transparent coating material | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6899932B1 | Polytetrafluoroethylene molded product in block form and method for production thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6780483B1 | Fluoropolymer laminate | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7244503B2 | Polytetrafluoroethylene laminated article | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.