Inventor · Kasai, JP

Shigeru Ito

34Patents
11h-index
50Co-inventors
78Inventor score

Filing activity: Mar 12, 1975 → Feb 6, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5342276A Turret punch press with a die exchanging device Emerging Cross-Sectional Technologies 39 Expired
US5581232A Ultrasonic wave reception apparatus and obstacle detection apparatus Physics 37 Expired
US6529180B1 Liquid crystal display device having high speed driver Physics 34 Expired
US4002722A Process and apparatus for wet treatment of vent gas Performing Operations; Transporting 24 Expired
US5118002A Easy-opening container packaging Performing Operations; Transporting 20 Expired
US5451195A Turret punch press with a die exchanging device Emerging Cross-Sectional Technologies 16 Expired
US6053567A Car body reinforcing bar means Performing Operations; Transporting 14 Expired
US6862015B2 Liquid crystal display device Physics 14 Expired
US4663695A Holding device for mounting an electronic component on a printed circuit board Electricity 12 Expired
US5075308A Method for treating urinary obstruction Human Necessities 12 Expired
US4276295A 3-Aromatic moiety substituted-4(3H)-quinazolinones, process for production thereof, and use thereof Chemistry; Metallurgy 11 Expired
US6755632B1 Scroll-type compressor having an oil communication path in the fixed scroll Mechanical Engineering; Lighting; Heating 10 Expired
US8029049B2 Fender panel structure Performing Operations; Transporting 7 Active
US6006786A Valved discharge mechanism for fluid displacement apparatus Emerging Cross-Sectional Technologies 7 Expired
US5442985A Work table apparatus for plate material processing machine Emerging Cross-Sectional Technologies 7 Expired
US5786523A Naphthol derivatives and process for producing the same Chemistry; Metallurgy 5 Expired
US6439775B1 Compressor bearings Mechanical Engineering; Lighting; Heating 4 Expired
US4293553A 1-Phthalazone derivatives, and use thereof Chemistry; Metallurgy 2 Expired
US8763447B2 Ultraviolet curing resin property measuring apparatus Physics 2 Active
US7311188B2 Electromagnetic clutch Mechanical Engineering; Lighting; Heating 2 Expired
US7178653B2 Electromagnetic clutch Mechanical Engineering; Lighting; Heating 2 Expired
US7292215B2 Liquid crystal display device Physics 1 Expired
US6554481B2 Compressor bearings Mechanical Engineering; Lighting; Heating 1 Expired
US4892572A Optical fiber drawing apparatus Emerging Cross-Sectional Technologies 1 Expired
US5847233A Naphthol derivatives and process for producing the same Chemistry; Metallurgy 1 Expired

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