Inventor
YOSHIZAWA KAZUHIKO
JP219 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIZAWA KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAXELL LTD
36 patentsUS11378805B2Jul 5, 2022
Head-mounted display, head-mounted display linking system, and method for same
MAXELL LTD13 citations94
US11921293B2Mar 5, 2024
Head-mounted display, head-mounted display linking system, and method for same
MAXELL LTD4 citations86
US11567333B2Jan 31, 2023
Head-mounted display, head-mounted display linking system, and method for same
MAXELL LTD6 citations86
US11438661B2Sep 6, 2022
Broadcast receiving apparatus
MAXELL LTD5 citations84
US11019400B2May 25, 2021
Broadcast receiving apparatus
MAXELL LTD5 citations84
US10757344B2Aug 25, 2020
Imaging apparatus, imaging method and imaging program
MAXELL LTD4 citations84
US10715868B2Jul 14, 2020
Broadcast receiving apparatus
MAXELL LTD7 citations84
US10511757B2Dec 17, 2019
Video recording device and camera function control program
MAXELL LTD11 citations84
US12372789B2Jul 29, 2025
Display terminal, application control system and application control method
MAXELL LTD2 citations75
US12323670B2Jun 3, 2025
Portable terminal device, television receiver, and incoming call notification method
MAXELL LTD1 citations75
US12184819B2Dec 31, 2024
Imaging apparatus
MAXELL LTD1 citations73
US12169281B2Dec 17, 2024
Head-mounted display, head-mounted display linking system, and method for same
MAXELL LTD2 citations73
US12039223B2Jul 16, 2024
Head-mountable information processing apparatus
MAXELL LTD2 citations73
US11972591B2Apr 30, 2024
Image processing apparatus and image processing method
MAXELL LTD2 citations73
US11954247B2Apr 9, 2024
Head mounted display apparatus
MAXELL LTD2 citations73
US11831951B2Nov 28, 2023
Display controlling method, time controlling method, time managing method, and broadcast receiving apparatus
MAXELL LTD2 citations73
US11803240B2Oct 31, 2023
Video display apparatus and method
MAXELL LTD1 citations73
US11742971B2Aug 29, 2023
Broadcast receiving apparatus and method of processing transmission waves
MAXELL LTD2 citations73
US11729324B2Aug 15, 2023
Imaging apparatus
MAXELL LTD3 citations73
US11729455B2Aug 15, 2023
Broadcast receiving apparatus for receiving program contents based on location information
MAXELL LTD2 citations73
US11653081B2May 16, 2023
Imaging apparatus, imaging method and imaging program
MAXELL LTD2 citations73
US11487359B2Nov 1, 2022
Video display apparatus and method
MAXELL LTD1 citations73
US11297242B2Apr 5, 2022
Imaging apparatus which generates title images for classifying a plurality of captured images and inserts the title images as separate images within the plurality of captured images
MAXELL LTD3 citations73
US11134306B2Sep 28, 2021
Broadcast reception device and video display method
MAXELL LTD2 citations73
US11089351B2Aug 10, 2021
Display apparatus and remote operation control apparatus
MAXELL LTD4 citations73
US11076104B2Jul 27, 2021
Camera-equipped portable information terminal device
MAXELL LTD1 citations73
US11057668B2Jul 6, 2021
Broadcast receiving device
MAXELL LTD2 citations73
US11026088B2Jun 1, 2021
Communication system, communication device and communication terminal device
MAXELL LTD5 citations73
US10915220B2Feb 9, 2021
Input terminal device and operation input method
MAXELL LTD5 citations73
US10726159B2Jul 28, 2020
Portable terminal device executing an application in accordance with a selection made by a user
MAXELL LTD2 citations73
US10708647B2Jul 7, 2020
Broadcast receiving apparatus
MAXELL LTD2 citations73
US10609273B2Mar 31, 2020
Image pickup device and method of tracking subject thereof
MAXELL LTD2 citations73
US10582165B2Mar 3, 2020
Information processing device and method for controlling image data thereof
MAXELL LTD2 citations73
US10425681B2Sep 24, 2019
Broadcast receiving device
MAXELL LTD2 citations73
US10397703B2Aug 27, 2019
Sound processing unit, sound processing system, audio output unit and display device
MAXELL LTD1 citations73
US10136221B2Nov 20, 2018
Sound processing unit, sound processing system, audio output unit and display device
MAXELL LTD2 citations73
HITACHI LTD
7 patentsUS6002694ADec 14, 1999
Interactive chargeable communication system with billing system therefor
HITACHI LTD77 citations95
US7019791B2Mar 28, 2006
Video processing device
HITACHI LTD18 citations93
US6388713B1May 14, 2002
Image display apparatus, and method to prevent or limit user adjustment of displayed image quality
HITACHI LTD20 citations92
US6363210B1Mar 26, 2002
Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signal
HITACHI LTD25 citations92
US6288748B1Sep 11, 2001
Display device also compatible with digital broadcasts
HITACHI LTD16 citations92
US5903704AMay 11, 1999
Apparatus for selectively recording and reproducing received analog and digital signals
HITACHI LTD26 citations92
US7289168B2Oct 30, 2007
Video processing device
HITACHI LTD6 citations74
HITACHI MAXELL
2 patentsAISIN SEIKI
2 patentsSHIMIZU HIROSHI
1 patentKITANI TAKASHI
1 patentYOSHIZAWA KAZUHIKO
1 patentShowing the top 50 of 219 patents by PatentIndex Score.