Inventor · Mishima, JP

Hiroshi Sonobe

16Patents
6h-index
28Co-inventors
66Inventor score

Filing activity: Jan 31, 1975 → Jun 29, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4051179A Catalytic process for the preparation of unsaturated carboxylic acids Performing Operations; Transporting 18 Expired
US3998876A Catalytic process for preparation of unsaturated carboxylic acids Performing Operations; Transporting 18 Expired
US4435594A Process for the preparation of methacrylic acid esters Chemistry; Metallurgy 14 Expired
US6819153B2 Semiconductor device for clock signals synchronization accuracy Electricity 6 Expired
US6348598B1 N-oxyl compounds, process for the preparation thereof, and process for inhibiting the polymerization of vinyl monomers with the same Chemistry; Metallurgy 6 Expired
US10683685B2 Reciprocating device Fixed Constructions 6 Active
US7906365B2 Method of manufacturing solar cell panel Emerging Cross-Sectional Technologies 5 Active
US7460628B2 Synchronous clock generation apparatus and synchronous clock generation method Electricity 3 Active
US10767400B2 Advancing/retreating movement device Performing Operations; Transporting 3 Active
US7532250B2 Clock generation apparatus Electricity 2 Active
US5402955A Reel-locking mechanism for compact tape cassette Physics 2 Expired
US7565582B2 Circuit for testing the AC timing of an external input/output terminal of a semiconductor integrated circuit Physics 2 Active
US11459804B2 Forward/backward movement device Fixed Constructions 1 Active
US9074619B2 Terminal support device mounting structure Emerging Cross-Sectional Technologies 1 Active
US7259599B2 Semiconductor device Electricity 1 Expired
US6871308B1 Semiconductor inspection method Physics 0 Expired

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