Inventor · Hitachi, JP

Yasuyuki Kozima

18Patents
11h-index
39Co-inventors
68Inventor score

Filing activity: Mar 29, 1977 → Jun 21, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US4302781A Facsimile system Electricity 191 Expired
US4733308A Control method of vertical scan speed Electricity 190 Expired
US4838655A Projector using guest-host liquid crystal cells for improved color purity Physics 73 Expired
US5233627A Multimode modem for facsimile Electricity 31 Expired
US5299027A Method and appratus for decoding and printing coded image, and facsimile apparatus, filing apparatus and communication apparatus using the same Electricity 27 Expired
US5377257A Facsimile receiving method and facsimile apparatus carrying out the method Electricity 22 Expired
US5307088A Method and apparatus of encoding color image information Electricity 15 Expired
US5485287A High-speed image signal processing system Electricity 15 Expired
US5177625A Image processing system suitable for use for a facsimile Physics 14 Expired
US4543644A Control circuit for matrix-driven recording Physics 13 Expired
US4091391A Drive system for thermal recording apparatus Performing Operations; Transporting 13 Expired
US4274114A Picture information transmitting method for facsimile Electricity 11 Expired
US4694351A Picture signal processing apparatus Electricity 9 Expired
US5473445A Image scanner and image scanning method Electricity 9 Expired
US4713699A A method of controlling the movement of a medium to be printed Electricity 7 Expired
US4918393A Phase control device Electricity 5 Expired
US4470073A Facsimile transmitter Electricity 3 Expired
US5200976A Synchronizing system Electricity 3 Expired

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