Inventor · Tokyo, JP

Yutaka Takei

21Patents
10h-index
45Co-inventors
75Inventor score

Filing activity: Nov 5, 1979 → Jul 1, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD687405S1 Portable wireless telephone General 40 Active
USD788737S1 Telephone General 36 Active
USD559249S1 Portable hard disk drive General 33 Expired
USD511344S1 Portable hard disc drive General 28 Expired
US5926291A Method of calculating color correcting condition and medium for storing the method Physics 16 Expired
USD1021989S1 Robot General 14 Active
US4332834A Method of manufacturing a magnetic recording medium Physics 13 Expired
US6034710A Image forming method for silver halide photographic material Electricity 12 Expired
US5949962A Method for calculating color correction conditions, a method for determining an exposure amount for printing, an image processing apparatus, a printing exposure apparatus and a storage medium Electricity 11 Expired
US4508752A Method for manufacturing a magnetic recording medium Performing Operations; Transporting 10 Expired
US4299622A Magnetic alloy Electricity 10 Expired
US6002498A Image processing method and image forming method Electricity 9 Expired
USD960615S1 Camera-equipped display shelf General 5 Active
US6555182B1 Surface hardened resins for disk substrates, methods of manufacture thereof and production devices for the manufacture thereof Performing Operations; Transporting 4 Expired
US5966505A Image outputting method and converting information producing method Electricity 3 Expired
USD951247S1 Display rack-mountable calibration board General 3 Active
US4362581A Magnetic alloy Electricity 2 Expired
US5559577A Device for replenishing solid processing agent used in a light-sensitive material processing apparatus Physics 2 Expired
US7664256B2 Mobile terminal apparatus Electricity 1 Active
USD1018158S1 Display stand for determining user's eye-movement General 0 Active
US8692775B2 Key structure of operation section of electronic device, input device and electronic device using same Electricity 0 Active

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