Inventor · Tokyo, JP

Keiichi Chono

127Patents
5h-index
36Co-inventors
74Inventor score

Filing activity: Apr 16, 2003 → Jun 28, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8345767B2 Video encoding method, video encoding device, and video encoding program Electricity 29 Active
US8396311B2 Image encoding apparatus, image encoding method, and image encoding program Electricity 14 Active
US9521433B2 Video encoding device, video decoding device, video encoding method, video decoding method, video encoding or decoding program Electricity 10 Active
US7835438B2 Method and device for encoding moving picture using reference frequency of reference frame Electricity 10 Active
US8325799B2 Moving picture encoding method, device using the same, and computer program Electricity 7 Active
US9936212B2 Video encoding device, video decoding device, video encoding method, video decoding method, and program Electricity 5 Active
US9712826B2 Video encoding device, video decoding device, video encoding method, video decoding method, and program Electricity 5 Active
US8428136B2 Dynamic image encoding method and device and program using the same Electricity 4 Active
US11348370B2 Iris authentication device, iris authentication method, and recording medium Physics 4 Active
US7835440B2 Moving picture coding method and decoding method, and apparatus and program using the same Electricity 2 Active
US10432934B2 Video encoding device and video decoding device Electricity 2 Active
US9288485B2 Video image encoding and decoding device using adaptive pseudo random noise injection during planar mode filtering Electricity 2 Active
US10284859B2 Video decoding device and method using inverse quantization Electricity 2 Active
US8743956B2 Image encoding method, device thereof, and control program thereof Electricity 2 Active
US8254463B2 Selection of encoded data, setting of encoded data, creation of recoded data, and recoding method and device Electricity 2 Active
US11682236B2 Iris authentication device, iris authentication method and recording medium Physics 1 Active
US11568681B2 Iris authentication device, iris authentication method and recording medium Physics 1 Active
US9426485B2 Video encoding device, video decoding device, video encoding method, video decoding method, and program Electricity 1 Active
US9521409B2 Video encoding device, video encoding method, and program Electricity 1 Active
US8416850B2 Image encoding method, device using the same, and computer program Electricity 1 Active
US10542293B2 Video encoding method, video decoding method, video encoding device, video decoding device, and program Electricity 1 Active
US11736724B2 Video encoding or decoding apparatus, video encoding or decoding method, program, and recording medium Electricity 1 Active
US9210427B2 Video encoding device, video decoding device, video encoding method, video decoding method, and program Electricity 1 Active
US11785255B2 Video encoding or decoding apparatus, video encoding or decoding method, program, and recording medium Electricity 1 Active
US11682235B2 Iris authentication device, iris authentication method and recording medium Physics 1 Active

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