Inventor · Tokyo, JP

Hiroshi Echizen

28Patents
13h-index
38Co-inventors
81Inventor score

Filing activity: Oct 28, 1985 → Oct 28, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5520740A Process for continuously forming a large area functional deposited film by microwave PCVD method and apparatus suitable for practicing the same Emerging Cross-Sectional Technologies 43 Expired
US5714010A Process for continuously forming a large area functional deposited film by a microwave PCVD method and an apparatus suitable for practicing the same Emerging Cross-Sectional Technologies 39 Expired
US5171965A Exposure method and apparatus Physics 38 Expired
US5527391A Method and apparatus for continuously forming functional deposited films with a large area by a microwave plasma CVD method Emerging Cross-Sectional Technologies 37 Expired
US5114770A Method for continuously forming functional deposited films with a large area by a microwave plasma CVD method Emerging Cross-Sectional Technologies 32 Expired
US5130170A Microwave PCVD method for continuously forming a large area functional deposited film using a curved moving substrate web with microwave energy with a directivity in one direction perpendicular to the direction of microwave propagation Emerging Cross-Sectional Technologies 29 Expired
US6273955A Film forming apparatus Emerging Cross-Sectional Technologies 29 Expired
US5510151A Continuous film-forming process using microwave energy in a moving substrate web functioning as a substrate and plasma generating space Emerging Cross-Sectional Technologies 22 Expired
US6350489B1 Deposited-film forming process and deposited-film forming apparatus Chemistry; Metallurgy 21 Expired
US4799791A Illuminance distribution measuring system Physics 21 Expired
US6113732A Deposited film forming apparatus Chemistry; Metallurgy 16 Expired
US5069928A Microwave chemical vapor deposition apparatus and feedback control method Chemistry; Metallurgy 15 Expired
US6338872B1 Film forming method Emerging Cross-Sectional Technologies 13 Expired
US4717242A Illumination optical system Physics 12 Expired
US5010276A Microwave plasma CVD apparatus with plasma generating chamber constituting a cylindrical cavity resonator Electricity 11 Expired
US4626449A Method for forming deposition film Electricity 11 Expired
US4806773A Wafer position detecting method and apparatus Electricity 9 Expired
US6930025B2 Transparent conductive film formation process, photovoltaic device production process, transparent conductive film, and photovoltaic device Emerging Cross-Sectional Technologies 6 Expired
US6783640B2 Sputtering method and sputtering apparatus Chemistry; Metallurgy 4 Expired
US6253703A Microwave chemical vapor deposition apparatus Chemistry; Metallurgy 4 Expired
US7641382B2 Leak judgment method, and computer-readable recording medium with recorded leak-judgment-executable program Physics 4 Active
US5700326A Microwave plasma processing apparatus Electricity 3 Expired
US6821317B2 Wet-process gas treatment method and wet-process gas treatment apparatus Performing Operations; Transporting 1 Expired
US6860974B2 Long-Term sputtering method Electricity 1 Expired
US7288140B2 Wet process gas treatment apparatus Performing Operations; Transporting 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.