Kei Kawamura

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image decoding device, image encoding device, image processing syst...
- Patent number 12,143,629
- Issue date Nov 12, 2024
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image decoding method, and program
- Patent number 12,137,210
- Issue date Nov 5, 2024
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, method, and program with prediction refineme...
- Patent number 12,120,353
- Issue date Oct 15, 2024
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device with block motion compensator and determinati...
- Patent number 12,022,113
- Issue date Jun 25, 2024
- KDDI Corporation
- Yoshitaka Kidani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image decoding method, and program
- Patent number 12,010,339
- Issue date Jun 11, 2024
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image decoding method, and program
- Patent number 11,962,801
- Issue date Apr 16, 2024
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image decoding method, and program
- Patent number 11,949,860
- Issue date Apr 2, 2024
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image encoding device, image processing syst...
- Patent number 11,882,308
- Issue date Jan 23, 2024
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving picture decoding device, moving picture decoding method, and...
- Patent number 11,871,021
- Issue date Jan 9, 2024
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving picture decoding device, moving picture decoding method, and...
- Patent number 11,750,829
- Issue date Sep 5, 2023
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image decoding method, and program
- Patent number 11,627,311
- Issue date Apr 11, 2023
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image encoding device, image processing syst...
- Patent number 11,627,336
- Issue date Apr 11, 2023
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image encoding device, image processing syst...
- Patent number 11,463,684
- Issue date Oct 4, 2022
- KDDI Corporation
- Yoshitaka Kidani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving-image decoder using intra-prediction, moving-image decoding...
- Patent number 11,451,771
- Issue date Sep 20, 2022
- Kiddi Corporation
- Qiang Yao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving picture decoding device, moving picture decoding method, and...
- Patent number 11,438,615
- Issue date Sep 6, 2022
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image encoding device, image processing syst...
- Patent number 11,438,625
- Issue date Sep 6, 2022
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image decoding device, image decoding method, and program
- Patent number 11,412,219
- Issue date Aug 9, 2022
- KDDI Corporation
- Kyohei Unno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving image coding device, moving image decoding device, and program
- Patent number 10,819,980
- Issue date Oct 27, 2020
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving image encoding apparatus, moving image decoding apparatus, m...
- Patent number 10,819,988
- Issue date Oct 27, 2020
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bitstream transformation apparatus, bitstream transformation method...
- Patent number 10,757,448
- Issue date Aug 25, 2020
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video encoding apparatus, video decoding apparatus, video compressi...
- Patent number 10,681,366
- Issue date Jun 9, 2020
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coding device and decoding device which allow encoding of non-squar...
- Patent number 10,462,461
- Issue date Oct 29, 2019
- KDDI Corporation
- Cui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video encoding device and video decoding device
- Patent number 10,356,402
- Issue date Jul 16, 2019
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptively sub-sampling luma and chroma reference pixels in intra-f...
- Patent number 10,027,980
- Issue date Jul 17, 2018
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video encoding using subsampling to reduce number of reference pixels
- Patent number 9,942,563
- Issue date Apr 10, 2018
- KDDI Corporation
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IMAGE DECODING DEVICE WITH BLOCK MOTION COMPENSATOR AND DETERMINATI...
- Publication number 20240292023
- Publication date Aug 29, 2024
- KDDI CORPORATION
- Yoshitaka KIDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20240289994
- Publication date Aug 29, 2024
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20240283972
- Publication date Aug 22, 2024
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20240223806
- Publication date Jul 4, 2024
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20240214568
- Publication date Jun 27, 2024
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20240214579
- Publication date Jun 27, 2024
- KDDI CORPORATION
- Yoshitaka KIDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20240212219
- Publication date Jun 27, 2024
- KDDI CORPORATION
- Kouhei MATSUZAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20240205391
- Publication date Jun 20, 2024
- KDDI CORPORATION
- Yoshitaka KIDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20240179321
- Publication date May 30, 2024
- KDDI CORPORATION
- Yoshitaka KIDANI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, IMAGE PROCESSING SYST...
- Publication number 20240114165
- Publication date Apr 4, 2024
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOVING PICTURE DECODING DEVICE, MOVING PICTURE DECODING METHOD, AND...
- Publication number 20240107044
- Publication date Mar 28, 2024
- KDDI CORPORATION
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230334715
- Publication date Oct 19, 2023
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20230336760
- Publication date Oct 19, 2023
- KDDI CORPORATION
- Kei KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOVING IMAGE PROCESSING APPARATUS, PROCESSING METHOD, AND COMPUTER-...
- Publication number 20230328237
- Publication date Oct 12, 2023
- KDDI CORPORATION
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230222699
- Publication date Jul 13, 2023
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230222700
- Publication date Jul 13, 2023
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230222701
- Publication date Jul 13, 2023
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230224508
- Publication date Jul 13, 2023
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20230224458
- Publication date Jul 13, 2023
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, IMAGE PROCESSING SYST...
- Publication number 20230209086
- Publication date Jun 29, 2023
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20230199206
- Publication date Jun 22, 2023
- KDDI CORPORATION
- Yoshitaka KIDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POINT-CLOUD DECODING DEVICE, POINT-CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230133644
- Publication date May 4, 2023
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230125529
- Publication date Apr 27, 2023
- KDDI CORPORATION
- Ryosuke WATANABE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POINT-CLOUD DECODING DEVICE, POINT-CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230117998
- Publication date Apr 20, 2023
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20230109719
- Publication date Apr 13, 2023
- KDDI CORPORATION
- Yoshitaka KIDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20230103543
- Publication date Apr 6, 2023
- KDDI CORPORATION
- Yoshitaka KIDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POINT-CLOUD DECODING DEVICE, POINT-CLOUD DECODING METHOD, AND PROGRAM
- Publication number 20230091030
- Publication date Mar 23, 2023
- KDDI CORPORATION
- Kyohei UNNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20230023488
- Publication date Jan 26, 2023
- KDDI CORPORATION
- Kyohei UNNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM
- Publication number 20220417530
- Publication date Dec 29, 2022
- KDDI CORPORATION
- Kei KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOVING PICTURE DECODING DEVICE, MOVING PICTURE DECODING METHOD, AND...
- Publication number 20220368931
- Publication date Nov 17, 2022
- KDDI CORPORATION
- Kei Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kei Kawamura

Person

Patents Grantslast 30 patents

Image decoding device, image encoding device, image processing syst...

Image decoding device, image decoding method, and program

Image decoding device, method, and program with prediction refineme...

Image decoding device with block motion compensator and determinati...

Image decoding device, image decoding method, and program

Image decoding device, image decoding method, and program

Image decoding device, image decoding method, and program

Image decoding device, image encoding device, image processing syst...

Moving picture decoding device, moving picture decoding method, and...

Moving picture decoding device, moving picture decoding method, and...

Image decoding device, image decoding method, and program

Image decoding device, image encoding device, image processing syst...

Image decoding device, image encoding device, image processing syst...

Moving-image decoder using intra-prediction, moving-image decoding...

Moving picture decoding device, moving picture decoding method, and...

Image decoding device, image encoding device, image processing syst...

Image decoding device, image decoding method, and program

Moving image coding device, moving image decoding device, and program

Moving image encoding apparatus, moving image decoding apparatus, m...

Bitstream transformation apparatus, bitstream transformation method...

Video encoding apparatus, video decoding apparatus, video compressi...

Coding device and decoding device which allow encoding of non-squar...

Video encoding device and video decoding device

Adaptively sub-sampling luma and chroma reference pixels in intra-f...

Video encoding using subsampling to reduce number of reference pixels

Patents Applicationslast 30 patents

IMAGE DECODING DEVICE WITH BLOCK MOTION COMPENSATOR AND DETERMINATI...

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, IMAGE PROCESSING SYST...

MOVING PICTURE DECODING DEVICE, MOVING PICTURE DECODING METHOD, AND...

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

MOVING IMAGE PROCESSING APPARATUS, PROCESSING METHOD, AND COMPUTER-...

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, IMAGE PROCESSING SYST...

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

POINT-CLOUD DECODING DEVICE, POINT-CLOUD DECODING METHOD, AND PROGRAM

POINT CLOUD DECODING DEVICE, POINT CLOUD DECODING METHOD, AND PROGRAM

POINT-CLOUD DECODING DEVICE, POINT-CLOUD DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

POINT-CLOUD DECODING DEVICE, POINT-CLOUD DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND PROGRAM

MOVING PICTURE DECODING DEVICE, MOVING PICTURE DECODING METHOD, AND...