Inventor
CHONO KEIICHI
JP132 patents
⚠️ This page may combine multiple inventors who share the name “CHONO KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
40 patentsUS8345767B2Jan 1, 2013
Video encoding method, video encoding device, and video encoding program
NEC CORP33 citations89
US11348370B2May 31, 2022
Iris authentication device, iris authentication method, and recording medium
NEC CORP5 citations84
US9936212B2Apr 3, 2018
Video encoding device, video decoding device, video encoding method, video decoding method, and program
NEC CORP8 citations84
US9712826B2Jul 18, 2017
Video encoding device, video decoding device, video encoding method, video decoding method, and program
NEC CORP7 citations84
US7835438B2Nov 16, 2010
Method and device for encoding moving picture using reference frequency of reference frame
NEC CORP18 citations84
US11837030B2Dec 5, 2023
Authentication device, authentication method, and recording medium
NEC CORP2 citations73
US11785255B2Oct 10, 2023
Video encoding or decoding apparatus, video encoding or decoding method, program, and recording medium
NEC CORP1 citations73
US11736724B2Aug 22, 2023
Video encoding or decoding apparatus, video encoding or decoding method, program, and recording medium
NEC CORP1 citations73
US11704937B2Jul 18, 2023
Iris authentication device, iris authentication method and recording medium
NEC CORP1 citations73
US11682235B2Jun 20, 2023
Iris authentication device, iris authentication method and recording medium
NEC CORP1 citations73
US11682236B2Jun 20, 2023
Iris authentication device, iris authentication method and recording medium
NEC CORP1 citations73
US11582461B2Feb 14, 2023
Video encoding device, video decoding device, video encoding method, video decoding method, and program restricts inter-prediction unit partitions based on coding unit depth
NEC CORP1 citations73
US11568681B2Jan 31, 2023
Iris authentication device, iris authentication method and recording medium
NEC CORP1 citations73
US11539872B2Dec 27, 2022
Imaging control system, imaging control method, control device, control method, and storage medium
NEC CORP2 citations73
US10645421B2May 5, 2020
Video encoding method, video encoding device, video decoding method, video decoding device, program, and video system
NEC CORP2 citations73
US12538020B2Jan 27, 2026
Imaging system, imaging method, and non-transitory computer-readable medium
NEC CORP0 citations63
US12177477B2Dec 24, 2024
Video encoding or decoding apparatus, video encoding or decoding method, program, and recording medium
NEC CORP0 citations63
US11997381B2May 28, 2024
Imaging system, imaging method, and non-transitory computer-readable medium
NEC CORP0 citations63
US11706457B2Jul 18, 2023
Video decoding device, method, and program
NEC CORP0 citations63
US11695961B2Jul 4, 2023
Video decoding device, method, and program
NEC CORP0 citations63
US11575900B2Feb 7, 2023
Video coding device, video decoding device, video coding method, video decoding method and program
NEC CORP0 citations63
US11412261B2Aug 9, 2022
Video decoding device, method, and program
NEC CORP0 citations63
US11039141B2Jun 15, 2021
Video coding device, video decoding device, video coding method, video decoding method and program
NEC CORP0 citations63
US10542293B2Jan 21, 2020
Video encoding method, video decoding method, video encoding device, video decoding device, and program
NEC CORP1 citations63
US7835440B2Nov 16, 2010
Moving picture coding method and decoding method, and apparatus and program using the same
NEC CORP5 citations63
US12561685B2Feb 24, 2026
Accounting system, accounting processing method, and recording medium
NEC CORP0 citations62
US12506876B2Dec 23, 2025
Video decoding device and video encoding device using inter prediction
NEC CORP0 citations62
US12462608B2Nov 4, 2025
Iris recognition apparatus, iris recognition method, computer program and recording medium
NEC CORP0 citations62
US12396660B2Aug 26, 2025
Authentication device, authentication method, and recording medium
NEC CORP0 citations62
US12348853B2Jul 1, 2025
Imaging system, imaging method, control apparatus, computer program and recording medium
NEC CORP0 citations62
US12283077B2Apr 22, 2025
Imaging system, imaging method, and computer readable medium
NEC CORP0 citations62
US12271454B2Apr 8, 2025
Authentication system, authentication method, control apparatus, computer program and recording medium
NEC CORP0 citations62
US12231778B2Feb 18, 2025
Illumination control apparatus, method, system, and computer readable medium
NEC CORP0 citations62
US12223775B2Feb 11, 2025
Authentication device, authentication method, and recording medium
NEC CORP0 citations62
US12217548B2Feb 4, 2025
Authentication device, authentication method, and recording medium
NEC CORP0 citations62
US12219151B2Feb 4, 2025
Video encoding device performing entropy-encoding process for inter prediction unit partition type syntax
NEC CORP0 citations62
US12198471B2Jan 14, 2025
Information providing device, information providing method, and storage medium
NEC CORP0 citations62
US12198393B2Jan 14, 2025
Imaging system, imaging method, and computer readable medium
NEC CORP0 citations62
US12148247B2Nov 19, 2024
Information providing device, information providing method, and storage medium
NEC CORP0 citations62
US12059249B2Aug 13, 2024
Authentication device, authentication method, and recording medium
NEC CORP0 citations62
CHONO KEIICHI
7 patentsUS9521433B2Dec 13, 2016
Video encoding device, video decoding device, video encoding method, video decoding method, video encoding or decoding program
CHONO KEIICHI14 citations84
US8396311B2Mar 12, 2013
Image encoding apparatus, image encoding method, and image encoding program
CHONO KEIICHI14 citations84
US8325799B2Dec 4, 2012
Moving picture encoding method, device using the same, and computer program
CHONO KEIICHI9 citations84
US8743956B2Jun 3, 2014
Image encoding method, device thereof, and control program thereof
CHONO KEIICHI4 citations73
US9288485B2Mar 15, 2016
Video image encoding and decoding device using adaptive pseudo random noise injection during planar mode filtering
CHONO KEIICHI5 citations72
US9451259B2Sep 20, 2016
Image quantization parameter encoding method and image quantization parameter decoding method
CHONO KEIICHI1 citations63
US8428136B2Apr 23, 2013
Dynamic image encoding method and device and program using the same
CHONO KEIICHI4 citations63
AOKI HIROFUMI
2 patentsSENZAKI KENTA
1 patentShowing the top 50 of 132 patents by PatentIndex Score.