Inventor · disambiguated record
Keiichi Chono
Also filed as: CHONO KEIICHI
130 granted patents·36 pending applications·159 citations·filing 2003–2024
99Inventor score
Top patents by PatentIndex Score
166 records- 0194US9936212B2Video encoding device, video decoding device, video encoding method, video decoding method, and programNEC CORP·Filed 2015·Granted Apr 3, 2018·8 cites·3 claims
- 0294US9712826B2Video encoding device, video decoding device, video encoding method, video decoding method, and programNEC CORP·Filed 2015·Granted Jul 18, 2017·7 cites·3 claims
- 0391US8345767B2Video encoding method, video encoding device, and video encoding programNEC CORP·Filed 2007·Granted Jan 1, 2013·33 cites·12 claims
- 0490US11736724B2Video encoding or decoding apparatus, video encoding or decoding method, program, and recording mediumNEC CORP·Filed 2022·Granted Aug 22, 2023·1 cites·9 claims
- 0589US11704937B2Iris authentication device, iris authentication method and recording mediumNEC CORP·Filed 2022·Granted Jul 18, 2023·1 cites·7 claims
- 0689US11682235B2Iris authentication device, iris authentication method and recording mediumNEC CORP·Filed 2022·Granted Jun 20, 2023·1 cites·12 claims
- 0789US11682236B2Iris authentication device, iris authentication method and recording mediumNEC CORP·Filed 2022·Granted Jun 20, 2023·1 cites·12 claims
- 0889US11348370B2Iris authentication device, iris authentication method, and recording mediumNEC CORP·Filed 2018·Granted May 31, 2022·5 cites·14 claims
- 0989US9521433B2Video encoding device, video decoding device, video encoding method, video decoding method, video encoding or decoding programCHONO KEIICHI·Filed 2008·Granted Dec 13, 2016·14 cites·14 claims
- 1089US8396311B2Image encoding apparatus, image encoding method, and image encoding programCHONO KEIICHI·Filed 2008·Granted Mar 12, 2013·14 cites·12 claims
- 1186US8325799B2Moving picture encoding method, device using the same, and computer programCHONO KEIICHI·Filed 2005·Granted Dec 4, 2012·9 cites·38 claims
- 1285US12396660B2Authentication device, authentication method, and recording mediumNEC CORP·Filed 2024·Granted Aug 26, 2025·0 cites·13 claims
- 1384US12506876B2Video decoding device and video encoding device using inter predictionNEC CORP·Filed 2024·Granted Dec 23, 2025·0 cites·15 claims
- 1484US12219151B2Video encoding device performing entropy-encoding process for inter prediction unit partition type syntaxNEC CORP·Filed 2024·Granted Feb 4, 2025·0 cites·2 claims
- 1584US11582461B2Video encoding device, video decoding device, video encoding method, video decoding method, and program restricts inter-prediction unit partitions based on coding unit depthNEC CORP·Filed 2020·Granted Feb 14, 2023·1 cites·16 claims
- 1684US2025017494A1Authentication device, authentication method, and recording mediumNEC CORP·Filed 2024·Application pending·0 cites
- 1784US2025017495A1Authentication device, authentication method, and recording mediumNEC CORP·Filed 2024·Application pending·0 cites
- 1883US9288485B2Video image encoding and decoding device using adaptive pseudo random noise injection during planar mode filteringCHONO KEIICHI·Filed 2011·Granted Mar 15, 2016·5 cites·6 claims
- 1982US12223775B2Authentication device, authentication method, and recording mediumNEC CORP·Filed 2023·Granted Feb 11, 2025·0 cites·9 claims
- 2082US12217548B2Authentication device, authentication method, and recording mediumNEC CORP·Filed 2023·Granted Feb 4, 2025·0 cites·9 claims
- 2182US12148247B2Information providing device, information providing method, and storage mediumNEC CORP·Filed 2023·Granted Nov 19, 2024·0 cites·15 claims
- 2282US11989975B2Iris authentication device, iris authentication method, and recording mediumNEC CORP·Filed 2023·Granted May 21, 2024·0 cites·9 claims
- 2382US11539872B2Imaging control system, imaging control method, control device, control method, and storage mediumNEC CORP·Filed 2018·Granted Dec 27, 2022·2 cites·16 claims
- 2482US10284859B2Video decoding device and method using inverse quantizationAOKI HIROFUMI·Filed 2012·Granted May 7, 2019·3 cites·3 claims
- 2581US12056955B2Information providing device, information providing method, and storage mediumNEC CORP·Filed 2023·Granted Aug 6, 2024·0 cites·9 claims
- 2681US11961329B2Iris authentication device, iris authentication method and recording mediumNEC CORP·Filed 2023·Granted Apr 16, 2024·0 cites·12 claims
- 2781US2025046047A1Imaging system, imaging method, and computer readable mediumNEC CORP·Filed 2024·Application pending·0 cites
- 2880US12198393B2Imaging system, imaging method, and computer readable mediumNEC CORP·Filed 2023·Granted Jan 14, 2025·0 cites·9 claims
- 2980US11943449B2Video decoding device, and video encoding method performing entropy-decoding process for inter prediction unit partition type syntaxNEC CORP·Filed 2023·Granted Mar 26, 2024·0 cites·2 claims
- 3080US11837030B2Authentication device, authentication method, and recording mediumNEC CORP·Filed 2018·Granted Dec 5, 2023·2 cites·7 claims
- 3180US10432934B2Video encoding device and video decoding deviceAOKI HIROFUMI·Filed 2012·Granted Oct 1, 2019·4 cites·15 claims
- 3280US7835438B2Method and device for encoding moving picture using reference frequency of reference frameNEC CORP·Filed 2004·Granted Nov 16, 2010·18 cites·18 claims
- 3379US10645421B2Video encoding method, video encoding device, video decoding method, video decoding device, program, and video systemNEC CORP·Filed 2016·Granted May 5, 2020·2 cites·6 claims
- 3478US11785255B2Video encoding or decoding apparatus, video encoding or decoding method, program, and recording mediumNEC CORP·Filed 2019·Granted Oct 10, 2023·1 cites·15 claims
- 3577US11756338B2Authentication device, authentication method, and recording mediumNEC CORP·Filed 2022·Granted Sep 12, 2023·0 cites·18 claims
- 3677US2025047902A1Video encoding or decoding apparatus, video encoding or decoding method, program, and recording mediumNEC CORP·Filed 2024·Application pending·0 cites
- 3777US2025371909A1Gate systemNEC CORP·Filed 2024·Application pending·0 cites
- 3876US12198471B2Information providing device, information providing method, and storage mediumNEC CORP·Filed 2022·Granted Jan 14, 2025·0 cites·18 claims
- 3976US11848077B2First-aid information provision system, information display device, information output device, first-aid information provision method, and recording mediumNEC CORP·Filed 2022·Granted Dec 19, 2023·0 cites·13 claims
- 4076US11837335B2First-aid information provision system, information display device, information output device, first-aid information provision method, and recording mediumNEC CORP·Filed 2022·Granted Dec 5, 2023·0 cites·13 claims
- 4176US11816928B2Information providing device, information providing method, and storage mediumNEC CORP·Filed 2022·Granted Nov 14, 2023·0 cites·20 claims
- 4276US11756336B2Iris authentication device, iris authentication method, and recording mediumNEC CORP·Filed 2022·Granted Sep 12, 2023·0 cites·10 claims
- 4376US11663853B2Iris authentication device, iris authentication method, and recording mediumNEC CORP·Filed 2022·Granted May 30, 2023·0 cites·12 claims
- 4476US11651624B2Iris authentication device, iris authentication method, and recording mediumNEC CORP·Filed 2022·Granted May 16, 2023·0 cites·10 claims
- 4575US12177477B2Video encoding or decoding apparatus, video encoding or decoding method, program, and recording mediumNEC CORP·Filed 2023·Granted Dec 24, 2024·0 cites·3 claims
- 4675US12014578B2Authentication device, authentication method, and recording mediumNEC CORP·Filed 2022·Granted Jun 18, 2024·0 cites·9 claims
- 4775US8428136B2Dynamic image encoding method and device and program using the sameCHONO KEIICHI·Filed 2007·Granted Apr 23, 2013·4 cites·15 claims
- 4874US12462608B2Iris recognition apparatus, iris recognition method, computer program and recording mediumNEC CORP·Filed 2023·Granted Nov 4, 2025·0 cites·9 claims
- 4974US8743956B2Image encoding method, device thereof, and control program thereofCHONO KEIICHI·Filed 2005·Granted Jun 3, 2014·4 cites·9 claims
- 5073US12058440B2Imaging control system, imaging control method, control device, control method, and storage mediumNEC CORP·Filed 2023·Granted Aug 6, 2024·0 cites·16 claims
Showing the top 50 of 166 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →