Inventor · Tokyo, JP

Keiichi Kato

94Patents
17h-index
102Co-inventors
87Inventor score

Filing activity: Mar 17, 1986 → Feb 17, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD709434S1 Tread portion of an automobile tire General 60 Active
USD675560S1 Automobile tire General 58 Active
US6407925B1 Casing for electronic control devices Electricity 57 Expired
US6275945A Apparatus for radiating heat for use in computer system Physics 54 Expired
US5978922A Computer system having resume function Physics 46 Expired
US5513156A Library apparatus Physics 45 Expired
US5217796A Woven material of inorganic fiber and process for making the same Emerging Cross-Sectional Technologies 40 Expired
US6707678B2 Casing for electronic control devices Electricity 37 Expired
US4759965A Ceramic, preparation thereof and electronic circuit substrate by use thereof Emerging Cross-Sectional Technologies 30 Expired
US5168006A Woven fabric for fiber-reinforced thermoplastic resin laminate Emerging Cross-Sectional Technologies 29 Expired
USD768562S1 Tread of an automobile tire General 26 Active
USD731960S1 Tread portion of an automobile tire General 20 Active
USD721030S1 Tread portion of an automobile tire General 19 Active
USD744415S1 Pair of shoulder portions of an automobile tire General 19 Active
US5206078A Printed circuit-board and fabric therefor Emerging Cross-Sectional Technologies 19 Expired
US5281441A Woven material of inorganic fiber and process for making the same Emerging Cross-Sectional Technologies 18 Expired
US4707565A Substrate for printed circuit Emerging Cross-Sectional Technologies 17 Expired
USD730812S1 Tread portion of an automobile tire General 17 Active
US7667973B2 Waterproof case Electricity 15 Active
USD719906S1 Tread portion of an automobile tire General 15 Active
US5588608A Pretensioner Performing Operations; Transporting 14 Expired
US6343522B1 Gear mechanism and webbing retractor Emerging Cross-Sectional Technologies 14 Expired
USD753051S1 Tread portion of an automobile tire General 14 Active
US5236777A Method for producing treated glass cloth Emerging Cross-Sectional Technologies 14 Expired
USD733637S1 Tread portion of an automobile tire General 13 Active

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