Takashi Katoh
72Patents
9h-index
86Co-inventors
81Inventor score
Filing activity: Dec 19, 1973 → Mar 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6589870B1 | Inter-layer connection structure, multilayer printed circuit board and production processes therefor | Electricity | 46 | Expired |
| US5705096A | UV crosslinking compound, alignment film for LCD component and LCD component | Chemistry; Metallurgy | 40 | Expired |
| US6426011B1 | Method of making a printed circuit board | Electricity | 15 | Expired |
| US5693379A | Polyimide | Chemistry; Metallurgy | 15 | Expired |
| US5334305A | Reference electrode | Physics | 12 | Expired |
| US6174457A | Compound having alkadienyl group as side chain, and liquid crystal composition using same | Chemistry; Metallurgy | 12 | Expired |
| US4099297A | Method and apparatus for controlling the sliver-thickness variation in a carding machine | Textiles; Paper | 10 | Expired |
| US5037692A | Multilayer structure | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8822077B2 | Lithium secondary battery and electrode for lithium secondary battery | Emerging Cross-Sectional Technologies | 9 | Active |
| US5308468A | Ion sensor | Physics | 8 | Expired |
| US7220466B2 | Liquid crystal composition and liquid crystal device | Chemistry; Metallurgy | 7 | Expired |
| US6333146A | Methine compound and silver halide photographic material containing the same | Physics | 7 | Expired |
| US4064598A | Taker-in-part of the conventional flat card | Textiles; Paper | 7 | Expired |
| US4342429A | Bobbin holder | Performing Operations; Transporting | 7 | Expired |
| US4314440A | Dust removing mechanism in open-end spinning frame | Textiles; Paper | 7 | Expired |
| US8951681B2 | Lithium ion battery with catalytic material | Emerging Cross-Sectional Technologies | 7 | Active |
| US3999249A | Driving method and apparatus for a tandem carding machine | Textiles; Paper | 6 | Expired |
| US7348044B2 | Liquid crystal composition and liquid crystal element | Chemistry; Metallurgy | 5 | Expired |
| US10803357B2 | Computer-readable recording medium, training method, and object detection device | Physics | 5 | Active |
| US5830976A | Polyimide | Chemistry; Metallurgy | 4 | Expired |
| US6582894B1 | Silver haide photographic emulsion and photographic light-sensitive material using same | Physics | 4 | Expired |
| US4299084A | Open end rotor for a spinning machine | Textiles; Paper | 4 | Expired |
| US10732333B2 | Infrared sensor, near-infrared ray absorption composition, photosensitive resin composition, compound, near-infrared ray absorption filter, and image pick-up device | Physics | 3 | Active |
| US4650298A | Reflecting mirror assembly for autocollimator | Physics | 3 | Expired |
| US7338690B2 | Liquid crystal composition and liquid crystal device | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.