Inventor · Saitama, JP

Daisuke Arai

72Patents
9h-index
84Co-inventors
81Inventor score

Filing activity: May 22, 1998 → Mar 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7440578B2 Vehicle-mounted three dimensional sound field reproducing silencing unit Electricity 32 Expired
US6437918B1 Method of manufacturing flat plate microlens and flat plate microlens Physics 26 Expired
US7684577B2 Vehicle-mounted stereophonic sound field reproducer Electricity 19 Expired
US6761984B2 Article coated with photocatalyst film, method for preparing the article and sputtering target for use in coating with the film Chemistry; Metallurgy 17 Expired
US6592996B1 Solar-shading light-transmissive panel and solar-shading multi-layer light-transmissive panel using same Chemistry; Metallurgy 11 Expired
US7178233B2 Process for producing a collapsed filled via hole Emerging Cross-Sectional Technologies 10 Expired
US6413643B1 Sunlight shielding translucent glass panel and sunlight shielding translucent multilayer glass panel assembly Emerging Cross-Sectional Technologies 10 Expired
US8182367B2 Golf ball Chemistry; Metallurgy 9 Active
US10882979B2 Golf ball Chemistry; Metallurgy 9 Active
US6473235B2 Touch panel substrate having transparent conductive film Performing Operations; Transporting 8 Expired
US11040251B2 Golf ball Human Necessities 8 Active
US8367781B2 Golf ball Chemistry; Metallurgy 7 Active
US7850547B2 Multi-piece solid golf ball Human Necessities 7 Active
US6778241B1 Substrate for liquid crystal display elements Physics 5 Expired
US10388923B2 Vehicle battery unit Emerging Cross-Sectional Technologies 5 Active
US6010549A Spark arrester of muffler Emerging Cross-Sectional Technologies 5 Expired
US7343038B2 Method for evaluating contamination on surface of object and imaging box used for the method Physics 4 Expired
US8585515B2 Multi-piece solid golf ball Human Necessities 4 Active
US7259085B2 Method for forming thin film, substrate having thin film formed by the method, and photoelectric conversion device using the substrate Emerging Cross-Sectional Technologies 3 Expired
US8587087B2 Semiconductor device and manufacturing method of the same Electricity 3 Active
US7938744B2 Multi-piece solid golf ball Human Necessities 3 Active
US6650026B2 Detachable face plate for audio and/or video apparatus in a vehicle Electricity 3 Expired
US8123628B2 Multi-piece solid golf ball Human Necessities 3 Active
US10439056B2 Power semiconductor device and method of manufacturing power semiconductor device Electricity 2 Active
US8512165B2 Multi-piece solid golf ball Human Necessities 2 Active

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