Takeo Matsumoto
35Patents
8h-index
55Co-inventors
78Inventor score
Filing activity: Jul 22, 1975 → Jan 28, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5461433A | Highly hydrous soft contact lens and a treating solution for contact lenses | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5130126A | Polymer-drug conjugate and a method of producing it | Human Necessities | 37 | Expired |
| US4746685A | Light curable dental composition | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4923905A | Light curable dental composition | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4805695A | Counterflow heat exchanger with floating plate | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5523015A | Azeotropes of hydrogen fluoride with dichloromethane, difluoromethane and chlorofluoromethane | Chemistry; Metallurgy | 13 | Expired |
| US5466853A | Diester monomer, its polymer, water-containing soft contact lens, and processing solution for contact lens | Physics | 12 | Expired |
| US7293500B2 | Press | Performing Operations; Transporting | 11 | Expired |
| US4824876A | Light curable dental liquid or paste | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5324803A | Polymer comprising fluoroalkl group, a method of preparation thereof, a surface active agent, a surface treatment agent and a coating composition | Chemistry; Metallurgy | 5 | Expired |
| US5288891A | Fluoralykyl group-containing organosilicon oligomer, method for preparing same and surface treating agent | Chemistry; Metallurgy | 4 | Expired |
| US5338877A | Fluoroalkyl group-containing organosilicon oligomer, method for preparing same and surface treating agent | Chemistry; Metallurgy | 4 | Expired |
| US8704482B2 | Power conversion device | Electricity | 4 | Active |
| US7152444B2 | Press-forming machine | Performing Operations; Transporting | 3 | Expired |
| US5348890A | Trioxane derivatives, and method for the chemiluminescence | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8695541B2 | Cooling system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US3973456A | Coil-like article supply device | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7301301B2 | Electric car control apparatus | Performing Operations; Transporting | 1 | Expired |
| US10440317B2 | Video processing device | Physics | 1 | Active |
| US10328856B2 | Image processing device, image processing method, and on-vehicle apparatus | Performing Operations; Transporting | 1 | Active |
| US8504230B2 | Control apparatus for AC electric motor vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US6311515A | Process for removal of hydrogen fluoride | Chemistry; Metallurgy | 0 | Expired |
| US10647255B2 | Image processing device, image processing method, and on-vehicle apparatus | Performing Operations; Transporting | 0 | Active |
| US9524538B2 | Image processing apparatus | Electricity | 0 | Active |
| US8738208B2 | Propulsion control apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.