Inventor

Akira Yoshikawa

65Patents
11h-index
112Co-inventors
81Inventor score

Filing activity: Jul 29, 1975 → Sep 26, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4320191A Pattern-forming process Electricity 204 Expired
US4367110A Decorative laminate and a manufacturing method therefor Emerging Cross-Sectional Technologies 77 Expired
US4396448A Decorative laminate and a manufacturing method therefor Emerging Cross-Sectional Technologies 48 Expired
USD334581S Industrial robot General 43 Expired
US4434224A Method of pattern formation Electricity 22 Expired
US4615782A Intermediate layer material of three-layer resist system and method of forming resist pattern Emerging Cross-Sectional Technologies 21 Expired
US4127414A Pattern-forming materials having a radiation sensitive chalcogenide layer and a method of forming patterns with such materials Physics 19 Expired
US4350541A Doping from a photoresist layer Emerging Cross-Sectional Technologies 18 Expired
US4738916A Intermediate layer material of three-layer resist system Emerging Cross-Sectional Technologies 17 Expired
US5009038A Automatic chamfering machine Performing Operations; Transporting 13 Expired
US6968079B2 Investigation device and investigation method Physics 12 Expired
US8044367B2 Scintillator for neutron detection and neutron detector Physics 10 Active
US7608828B2 Solid solution material of rare earth element fluoride (polycrystal and single crystal), and method for preparation thereof, and radiation detector and test device Physics 10 Expired
US4042936A Electrosensitive recording method Physics 10 Expired
US4753047A Transferring and loading device for honeycomb structures Performing Operations; Transporting 9 Expired
US5330118A Tape driving apparatus Physics 8 Expired
US4193680A Transfer sheet drying device for electrophotographic copying machine Physics 6 Expired
US5400980A Tape driving apparatus Physics 5 Expired
US8642972B2 Neutron scintillator and neutron detector Physics 5 Active
US8969812B2 Garnet-type crystal for scintillator and radiation detector using the same Physics 5 Active
US4982939A Clamp device for shaped bodies Performing Operations; Transporting 4 Expired
US9678223B2 Scintillator Physics 4 Active
US7032487B2 Corrugated fin cutting device and cutting method Emerging Cross-Sectional Technologies 4 Expired
US7266073B2 Optical disc apparatus, camera apparatus, and method for controlling light emission operation Physics 3 Expired
US7323053B2 Pulling-down apparatus and container therefor Emerging Cross-Sectional Technologies 2 Expired

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