Kazutaka Hosokawa
22Patents
9h-index
33Co-inventors
75Inventor score
Filing activity: Mar 5, 1976 → Jan 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5324785A | Polytetrafluoroethylene fine particles and powder | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6503988B1 | Polytetrafluoroethylene fine powders and their use | Chemistry; Metallurgy | 28 | Expired |
| US4840998A | Modified polytetrafluoroethylene fine powder and production of the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5176958A | Modified polytetrafluoroethylene fine powder and process for preparing the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6136893A | Method for concentrating aqueous dispersion of fluorine-containing polymer | Chemistry; Metallurgy | 23 | Expired |
| US4487882A | Fluoroelastomer composition | Chemistry; Metallurgy | 19 | Expired |
| US5143783A | Porous film of polytetrafluoroethylene and preparation thereof | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4114427A | Apparatus for accurately measuring the freeness of paper stock flowing in a feed pipe | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5284708A | Modified polytetrafluoroethylene fine powder and process for preparing the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5118788A | Process for preparing polytetrafluoroethylene powder | Chemistry; Metallurgy | 9 | Expired |
| US5641894A | Process and apparatus for filtrate measurement | Physics | 8 | Expired |
| US6531557B1 | Modified polytetrafluoroethylene fine powder and method for the production of the same | Chemistry; Metallurgy | 7 | Expired |
| US6747108B1 | Modified polytetrafluoroethylene fine powder and process for preparing the same | Chemistry; Metallurgy | 5 | Expired |
| US8672652B2 | High-pressure fuel supply pump and the manufacturing method | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US5792942A | Apparatus for determining properties of slurry materials and sludge treating process | Physics | 4 | Expired |
| US10538605B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 3 | Active |
| US7367746B2 | Lifting pole apparatus for traffic control | Fixed Constructions | 2 | Active |
| US10870735B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 1 | Active |
| US10793650B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 1 | Active |
| US11629238B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and power | General | 0 | Revoked |
| US12006407B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 0 | Active |
| US11814490B2 | Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.