Hitoshi Seki
18Patents
8h-index
46Co-inventors
72Inventor score
Filing activity: Feb 26, 1988 → Dec 3, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5714407A | Etching agent, electronic device and method of manufacturing the device | Chemistry; Metallurgy | 28 | Expired |
| US5390217A | Carbon fiber-reinforced carbon composite materials processes for their production, and first walls of nuclear fusion reactors employing them | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7229569B1 | Etching reagent, and method for manufacturing electronic device substrate and electronic device | Electricity | 21 | Expired |
| US5409569A | Etchant, detergent and device/apparatus manufacturing method | Chemistry; Metallurgy | 20 | Expired |
| US5525558A | Process for producing carbon fiber reinforced carbon composite material, carbon fiber reinforced carbon composite material and sliding material | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5573958A | Method of fabricating a thin film transistor wherein the gate terminal is formed after the gate insulator | Electricity | 10 | Expired |
| US4839510A | Optical sensor including shortcircuit protection having notched electrode regions | Electricity | 10 | Expired |
| US6776222B2 | Foldable floor heating panel | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7442324B2 | Etching reagent, and method for manufacturing electronic device substrate and electronic device | Electricity | 8 | Active |
| US5566792A | Sliding unit for a brake and method of producing the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4786780A | Method for trimming thin-film transistor array | Physics | 7 | Expired |
| US5115329A | Electroluminescent device having a liquid crystal layer adjacent to the electroluminescent layer without any electrode placed therebetween | Physics | 7 | Expired |
| US5681487A | Method of removing photoresist film | Physics | 5 | Expired |
| US7228886B2 | Foldable floor heating panel | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5586152A | Carbon fiber-reinforced carbon composite materials, processes for their production, and first walls of nuclear fusion reactors employing them | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10494709B2 | Thin film forming method | Electricity | 0 | Active |
| US10549503B2 | Carbon fiber-reinforced carbon composite and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8319197B2 | Frequency adjusting apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.