Kenichi Umeda
22Patents
6h-index
31Co-inventors
69Inventor score
Filing activity: Mar 22, 1983 → Dec 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8202365B2 | Process for producing oriented inorganic crystalline film, and semiconductor device using the oriented inorganic crystalline film | Electricity | 651 | Active |
| US8343800B2 | Thin film transistor and method of producing thin film transistor | Electricity | 69 | Active |
| US8278136B2 | Semiconductor device, method for producing the same, sensor and electro-optical device | Electricity | 36 | Active |
| US8334532B2 | IGZO-based oxide material and method of producing IGZO-based oxide material | Electricity | 25 | Active |
| US7824957B2 | Method for producing semiconductor device | Electricity | 14 | Active |
| US4447549A | Non-linear dielectric element | Electricity | 6 | Expired |
| US5950361A | Plant activating method | Electricity | 4 | Expired |
| US6203853A | Material for inverting static electricity method for removing static electricity crop raising house and method for raising crop | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10641927B2 | Optical thin film, optical element, optical system, and method for producing optical thin film | Physics | 2 | Active |
| US9543143B2 | Method for producing amorphous oxide thin film and thin film transistor | Electricity | 1 | Active |
| US11985899B2 | Piezoelectric element | Electricity | 1 | Active |
| US12414473B2 | Piezoelectric element | Electricity | 0 | Active |
| US11029449B2 | Antireflection film, optical element, optical system, method of producing antireflection film | Physics | 0 | Active |
| US9406809B2 | Field-effect transistor | Electricity | 0 | Active |
| US11194078B2 | Antireflection film having silver-containing layer and fluorocarbon layer, method for producing antireflection film, optical element, and optical system | Physics | 0 | Active |
| US11422290B2 | Antireflection film, optical element, and optical system | Physics | 0 | Active |
| US10319928B2 | Electrode material for organic semiconductor device | Electricity | 0 | Active |
| US11751478B2 | Method of manufacturing power generation element, power generation element, and power generation apparatus | Electricity | 0 | Active |
| US11747520B2 | Optical thin film having metal layer containing silver and high standard electrode potential metal | Physics | 0 | Active |
| US10270049B2 | Electrode material for organic semiconductor device, method for forming electrode pattern, and organic thin-film transistor | Electricity | 0 | Active |
| US10927446B2 | Method for producing transparent optical film and method for producing transparent multilayer film | Physics | 0 | Active |
| US11422288B2 | Laminated film and method for producing laminated film | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.