Inventor · disambiguated record
Kei Kawamura
Also filed as: KAWAMURA KEI
38 granted patents·48 pending applications·15 citations·filing 2014–2025
95Inventor score
Files withKDDI CORP86
Top patents by PatentIndex Score
86 records- 0194US12137210B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2023·Granted Nov 5, 2024·3 cites·3 claims
- 0294US11627311B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2020·Granted Apr 11, 2023·4 cites·5 claims
- 0387US11438615B2Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance valuesKDDI CORP·Filed 2019·Granted Sep 6, 2022·3 cites·3 claims
- 0481US10819988B2Moving image encoding apparatus, moving image decoding apparatus, moving image encoding method, moving image decoding method, and computer readable storage mediumKDDI CORP·Filed 2018·Granted Oct 27, 2020·3 cites·11 claims
- 0579US12238282B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2024·Granted Feb 25, 2025·0 cites·3 claims
- 0679US2025080766A1Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance valuesKDDI CORP·Filed 2024·Application pending·0 cites
- 0778US12407856B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2024·Granted Sep 2, 2025·0 cites·3 claims
- 0878US2025024026A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2024·Application pending·0 cites
- 0978US2025030885A1Image decoding device, image encoding device, image processing system, and programKDDI CORP·Filed 2024·Application pending·0 cites
- 1077US12192501B2Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance valuesKDDI CORP·Filed 2023·Granted Jan 7, 2025·0 cites·3 claims
- 1177US2025247536A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 1276US12143629B2Image decoding device, image encoding device, image processing system, and programKDDI CORP·Filed 2023·Granted Nov 12, 2024·0 cites·5 claims
- 1375US12439079B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2024·Granted Oct 7, 2025·0 cites·3 claims
- 1473US11882308B2Image decoding device, image encoding device, image processing system, and programKDDI CORP·Filed 2023·Granted Jan 23, 2024·0 cites·4 claims
- 1572US12423875B2Point-cloud decoding device, point-cloud decoding method, and programKDDI CORP·Filed 2022·Granted Sep 23, 2025·0 cites·7 claims
- 1672US11949860B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2022·Granted Apr 2, 2024·0 cites·3 claims
- 1772US11871021B2Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance valuesKDDI CORP·Filed 2022·Granted Jan 9, 2024·0 cites·3 claims
- 1872US11750829B2Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance valuesKDDI CORP·Filed 2022·Granted Sep 5, 2023·0 cites·3 claims
- 1971US12301808B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2022·Granted May 13, 2025·0 cites·3 claims
- 2071US11627336B2Image decoding device, image encoding device, image processing system, and programKDDI CORP·Filed 2022·Granted Apr 11, 2023·0 cites·4 claims
- 2171US2025159137A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2271US2025159155A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2371US2025159136A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2470US2025159250A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2570US2025159249A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2670US2025337936A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2770US2025159251A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2869US12373993B2Point cloud decoding device, point cloud decoding method, and programKDDI CORP·Filed 2023·Granted Jul 29, 2025·0 cites·9 claims
- 2969US2025203074A1Moving image processing apparatus, processing method, and computer-readable storage mediumKDDI CORP·Filed 2025·Application pending·0 cites
- 3068US12363340B2Image decoding device with block motion compensator and determination mechanismKDDI CORP·Filed 2024·Granted Jul 15, 2025·0 cites·7 claims
- 3168US12277739B2Point-cloud decoding device, point-cloud decoding method, and programKDDI CORP·Filed 2022·Granted Apr 15, 2025·0 cites·4 claims
- 3268US11412219B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2021·Granted Aug 9, 2022·0 cites·9 claims
- 3368US2025080765A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2024·Application pending·0 cites
- 3468US2025324099A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 3567US12511792B2Point cloud decoding device, point cloud decoding method, and programKDDI CORP·Filed 2023·Granted Dec 30, 2025·0 cites·14 claims
- 3667US10681366B2Video encoding apparatus, video decoding apparatus, video compression and transmission system, video encoding method, video decoding method, and computer readable storage mediumKDDI CORP·Filed 2017·Granted Jun 9, 2020·1 cites·14 claims
- 3767US2023328237A1Moving image processing apparatus, processing method, and computer-readable storage mediumKDDI CORP·Filed 2023·Application pending·0 cites
- 3867US2025008161A1Image decoding device, method and program with prediction refinement optical flowKDDI CORP·Filed 2024·Application pending·0 cites
- 3966US12010339B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2022·Granted Jun 11, 2024·0 cites·4 claims
- 4064US11962801B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2020·Granted Apr 16, 2024·0 cites·3 claims
- 4164US11438625B2Image decoding device, image encoding device, image processing system, and programKDDI CORP·Filed 2019·Granted Sep 6, 2022·0 cites·4 claims
- 4264US10027980B2Adaptively sub-sampling luma and chroma reference pixels in intra-frame prediction for video encoding and decodingKDDI CORP·Filed 2016·Granted Jul 17, 2018·1 cites·15 claims
- 4363US12375725B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2022·Granted Jul 29, 2025·0 cites·3 claims
- 4458US12272108B2Point cloud decoding device, point cloud decoding method, and programKDDI CORP·Filed 2023·Granted Apr 8, 2025·0 cites·4 claims
- 4558US2024289994A1Point cloud decoding device, point cloud decoding method, and programKDDI CORP·Filed 2024·Application pending·0 cites
- 4658US2024212219A1Point cloud decoding device, point cloud decoding method, and programKDDI CORP·Filed 2024·Application pending·0 cites
- 4757US12120353B2Image decoding device, method, and program with prediction refinement optical flowKDDI CORP·Filed 2022·Granted Oct 15, 2024·0 cites·3 claims
- 4857US12022113B2Image decoding device with block motion compensator and determination mechanismKDDI CORP·Filed 2021·Granted Jun 25, 2024·0 cites·5 claims
- 4957US2025148646A1Mesh decoding device, mesh encoding device, mesh decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 5057US2025148649A1Mesh decoding device, mesh encoding device, mesh decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →