Inventor · Tokyo, JP

Shunichi Samejima

16Patents

10h-index

25Co-inventors

68Inventor score

Filing activity: Aug 5, 1976 → Feb 17, 1995

Most-cited inventions

Patent	Title	Area	Cited by	Status
US4897457A	Novel fluorine-containing cyclic polymer	Chemistry; Metallurgy	161	Expired
US4910276A	Cyclic polymerization	Chemistry; Metallurgy	63	Expired
US5302313A	Halogenated hydrocarbon solvents	Chemistry; Metallurgy	46	Expired
US5116426A	Method of cleaning a substrate using a dichloropentafluoropropane	Chemistry; Metallurgy	43	Expired
US5271775A	Methods for treating substrates by applying a halogenated hydrocarbon thereto	Chemistry; Metallurgy	31	Expired
US5545777A	Process for producing a hydrogen-containing 2,2-difluoropropane	Chemistry; Metallurgy	28	Expired
US5320683A	Azeotropic or azeotropic-like composition of hydrochlorofluoropropane	Chemistry; Metallurgy	27	Expired
US5607912A	Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture	Chemistry; Metallurgy	26	Expired
US4153804A	Process for producing fluorinated vinyl ether having ester group	Chemistry; Metallurgy	26	Expired
US5264639A	Process for producing a 2,2-difluoropropane	Chemistry; Metallurgy	13	Expired
US4116977A	Process for producing oxygen-containing cyclic fluoro compound	Chemistry; Metallurgy	4	Expired
US4362672A	Process for producing difluorohaloacetyl fluoride	Chemistry; Metallurgy	4	Expired
US5672785A	Process for producing 1,1-dichloro-12,2,2-tetrafluoroethane	Chemistry; Metallurgy	2	Expired
US5426253A	Process for producing 1,1,1,2-tetrafluoroethane	Chemistry; Metallurgy	2	Expired
US4089869A	Process for producing perfluorolactone	Chemistry; Metallurgy	1	Expired
US4581472A	Process for preparing a perfluoroacrylic acid ester	Chemistry; Metallurgy	0	Expired

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