Inventor · Tokyo, JP

Kazuo Hashimoto

141Patents
33h-index
65Co-inventors
93Inventor score

Filing activity: Nov 27, 1974 → Sep 3, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5075771A Method of and apparatus for optimal scheduling of television programming to maximize customer satisfaction Electricity 400 Expired
US4745549A Method of and apparatus for optimal scheduling of television programming to maximize customer satisfaction Electricity 308 Expired
US4873584A Computer control for VCR including display of record playback listing and playback order selection Physics 133 Expired
US5179439A Personal channel display device in a TV program reservation system Electricity 119 Expired
US4821308A Telephone answering system with paging function Electricity 117 Expired
US4599691A Tree transformation system in machine translation system Physics 108 Expired
US4660218A Apparatus for switching telephone line a response device, a data terminal or a telephone Emerging Cross-Sectional Technologies 107 Expired
US5341411A Caller ID blocking method and processing system (block caller ID information) Electricity 91 Expired
US4656655A Remote control adapter of electric equipment using telephone lines Electricity 91 Expired
US4584434A Additional system for automatic information reception terminal device utilizing telephone circuit Emerging Cross-Sectional Technologies 90 Expired
US6301577A Similar document retrieval method using plural similarity calculation methods and recommended article notification service system using similar document retrieval method Emerging Cross-Sectional Technologies 72 Expired
US4922523A Videotex with telephone call screening system Electricity 71 Expired
US5517256A Reservation codes to automatically control a TV and VCR when set to either a TV mode or a VCR mode Electricity 69 Expired
US6078913A Document retrieval apparatus Emerging Cross-Sectional Technologies 69 Expired
US4737979A Automatic telephone answering device with paging function Electricity 68 Expired
US7762634B2 Vacuum heat insulation material and cold reserving apparatus with the same Emerging Cross-Sectional Technologies 62 Active
US4242539A Telephone information displaying device Electricity 58 Expired
US5046079A Telephone answering device with TV telephone Electricity 55 Expired
US5216228A Bar code transmission and reception system and method Electricity 45 Expired
US4878243A Call forwarding system and method Electricity 45 Expired
US5222139A Cryptographic method and apparatus Electricity 43 Expired
US4658417A Information transmission/reception system using pushphone and information reception apparatus Emerging Cross-Sectional Technologies 40 Expired
US4918721A Push button phone capable of sending to the telephone line alphabetical characters Electricity 40 Expired
US4540851A Remote control device using telephone circuit of electric apparatus Electricity 37 Expired
US4866755A Multiple language telephone answering machine Electricity 36 Expired

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