Inventor · Karatsu, JP

Kouichi Saito

17Patents
10h-index
59Co-inventors
75Inventor score

Filing activity: Nov 29, 1979 → Sep 25, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4672253A Permanent magnet electrical machine with reduced cogging Electricity 91 Expired
US4298120A Chip-like electronic component series and method for supplying chip-like electronic components Electricity 55 Expired
US5345403A Information processing apparatus and printer used for the same Physics 32 Expired
US4958406A Method and apparatus for operating vacuum cleaner Emerging Cross-Sectional Technologies 29 Expired
US5936609A Handy information terminal apparatus Emerging Cross-Sectional Technologies 25 Expired
US5805125A Portable information processing apparatus and liquid crystal display device Emerging Cross-Sectional Technologies 21 Expired
US5483253A Portable information processing apparatus and liquid crystal display device Emerging Cross-Sectional Technologies 16 Expired
US5024767A Method for purifying liquids Performing Operations; Transporting 13 Expired
US5675360A Information processing apparatus having a keyboard with a pointing device Physics 12 Expired
US6077794A Deodorant fibrous material and method of producing the same Emerging Cross-Sectional Technologies 10 Expired
US4914361A Method and apparatus for controlling the speed of moving body Electricity 10 Expired
US6521553B1 Deodorant fibrous material and method of producing the same Emerging Cross-Sectional Technologies 9 Expired
US5637272A Method of manufacturing a multi-holed surface plate made of a composite material and a raw forming element of the composite material therefor Performing Operations; Transporting 9 Expired
USRE34286E Method and apparatus for operating vacuum cleaner General 9 Expired
US6540792B1 Cellulose fiber-containing structure Textiles; Paper 5 Expired
US6828006B2 Cellulose ester film, protective film for a polarizing plate of liquid crystal display and production method of cellulose ester film Emerging Cross-Sectional Technologies 5 Expired
US6652926B1 Cellulose ester film, protective film for a polarizing plate of liquid crystal display and production method of cellulose ester film Emerging Cross-Sectional Technologies 4 Expired

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