Inventor · Tokyo, JP

Hideaki Sakamoto

31Patents
12h-index
38Co-inventors
81Inventor score

Filing activity: Sep 12, 1985 → May 11, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
USD303173S Vacuum cleaner General 132 Expired
US4999669A Levelling device in an exposure apparatus Physics 76 Expired
US6327024A Vibration isolation apparatus for stage Physics 51 Expired
USD574355S1 Telephone handset General 27 Expired
USD618658S1 Telephone handset General 25 Expired
USD558749S1 Telephone base unit General 24 Expired
USD618657S1 Telephone handset General 24 Expired
US5931441A Method of isolating vibration in exposure apparatus Mechanical Engineering; Lighting; Heating 19 Expired
USD584297S1 Set of key buttons for a telephone handset General 19 Expired
US5108296A Mounting and grounding connectors for electrical components Emerging Cross-Sectional Technologies 15 Expired
USD657771S1 Telephone base unit General 15 Expired
US6710850B2 Exposure apparatus and exposure method Physics 12 Expired
USD668630S1 Telephone handset General 11 Active
USD579011S1 Set of key buttons General 9 Expired
USD669449S1 Telephone handset General 8 Active
USD590819S1 Telephone handset General 6 Expired
US6987559B2 Vibration-attenuation devices having low lateral stiffness, and exposure apparatus comprising same Physics 6 Expired
USD356594S Check printer and accounting machine General 5 Expired
USD570837S1 Server General 4 Expired
USD635118S1 Telephone base unit General 4 Expired
USD511776S1 Scanner General 4 Expired
USD623625S1 Telephone handset General 3 Expired
US7433050B2 Exposure apparatus and exposure method Physics 3 Active
US7397534B2 Exposure apparatus and device manufacturing method Physics 2 Expired
USD291449S Typewriter General 2 Expired

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