Inventor · Itoshima, JP

Yoshio Noguchi

70Patents
13h-index
68Co-inventors
87Inventor score

Filing activity: Jun 24, 1974 → Sep 8, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4931344A Fastener component Emerging Cross-Sectional Technologies 94 Expired
US4842916A Separable fastener component & moldings attached with such fastener component Emerging Cross-Sectional Technologies 78 Expired
US4778593A Method and apparatus for discriminating minute particles Physics 73 Expired
US4070164A Adsorption-desorption pressure swing gas separation Emerging Cross-Sectional Technologies 48 Expired
US5041733A Method and apparatus for identifying chromosomes or cells Physics 47 Expired
US4014711A Separation of fructose from a mixture of sugars Chemistry; Metallurgy 35 Expired
US5138170A Method and apparatus for identifying chromosomes or cells Physics 34 Expired
US4901123A Superluminescent diode Electricity 24 Expired
US7217054B2 Side knock type feeding mechanism Performing Operations; Transporting 24 Expired
US7237975B2 Cartridge type liquid feeding container Human Necessities 22 Expired
US6176632A Liquid container Human Necessities 16 Expired
US6749354B2 Composite writing implement Performing Operations; Transporting 14 Expired
US6102602A Liquid container cap Human Necessities 13 Expired
US4272834A Data line potential setting circuit and MIS memory circuit using the same Physics 13 Expired
US6702158B2 Knocking-type liquid container Human Necessities 12 Expired
US3948775A Horizontal packed column consisting of multiple chambers with fluid distributors Performing Operations; Transporting 12 Expired
US4426704A Semiconductor laser with two active layers Electricity 10 Expired
US6918515B2 Liquid container Human Necessities 10 Expired
US7018124B1 Writing implement with stylus Performing Operations; Transporting 10 Expired
US6155734A Rotary stick projecting device Human Necessities 9 Expired
US8740489B2 Liquid applicator Human Necessities 7 Active
US5890825A Composite writing instrument Performing Operations; Transporting 7 Expired
US7850385B2 Liquid supply implement Performing Operations; Transporting 6 Active
US6717187B2 Semiconductor optical device and the fabrication method Electricity 6 Expired
US6893179B2 Rotary bar-projecting mechanism for push-button implement Human Necessities 6 Expired

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