Inventor · Tokyo, JP

Takayuki Yamamoto

262Patents
23h-index
242Co-inventors
93Inventor score

Filing activity: Nov 20, 1984 → Sep 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5841608A Head slider with projections arranged on rails thereof Physics 96 Expired
US6229673A Magnetic head assembly with contact-type head chip mounting and electrically connecting arrangements Physics 48 Expired
USD776961S1 Desk General 42 Active
USD808668S1 Wiring storage furniture with a partition panel General 40 Active
USD319625S Electrical connector housing General 38 Expired
US5113088A Substrate bias generating circuitry stable against source voltage changes Physics 36 Expired
US5266045A Waterproof connector Electricity 36 Expired
US4699938A Pressure-sensitive adhesive composition Chemistry; Metallurgy 36 Expired
US4975082A Double engagement structure for terminal and connector Electricity 35 Expired
US5029393A Chain saw Mechanical Engineering; Lighting; Heating 34 Expired
US6410103B1 Memory disc, manufacturing method thereof, and method of manufacturing disc drive utilizing such memory disc Physics 33 Expired
US6040958A Magnetic head slider and magnetic disk apparatus having the magnetic head slider Physics 32 Expired
USD615324S1 Table General 32 Expired
US6476515B1 Vehicle electric control system with input device connected to central and peripheral control devices for controlling actuator Performing Operations; Transporting 31 Expired
USD859013S1 Partition panel General 30 Active
US5203715A Connector Electricity 30 Expired
US6604795B2 Braking system including high-pressure source between master cylinder and brake cylinder Performing Operations; Transporting 27 Expired
US6549644B1 Face-image processing apparatus Physics 25 Expired
US5855069A Disengagement-preventing mechanism and bush cutter provided with disengagement-preventing mechanism Performing Operations; Transporting 25 Expired
US6164066A Muffler for internal combustion engine Mechanical Engineering; Lighting; Heating 24 Expired
US4969841A Double locking structure for terminal in electrical connectors Electricity 24 Expired
US6606397B1 Face image processing apparatus for extraction of an eye image based on the position of the naris Human Necessities 24 Expired
US6810320B2 Apparatus and method of combustion diagnosis/control in internal combustion engine Emerging Cross-Sectional Technologies 23 Expired
US6899403B2 Braking system having pressure control cylinder whose piston is displaceable by controlled drive source Performing Operations; Transporting 23 Expired
USD665191S1 Table General 23 Active

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