Inventor
MAEYAMA KOICHI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “MAEYAMA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
18 patentsUSD531590SNov 7, 2006
Tuner for a television receiver
SONY CORP17 citations92
US7042627B2May 9, 2006
Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus
SONY CORP11 citations92
USD410016SMay 18, 1999
Combined video tape recorder and camera
SONY CORP19 citations92
USD386505SNov 18, 1997
Video camera for TV conference system and security use
SONY CORP20 citations92
USD646666SOct 11, 2011
Speaker
SONY CORP10 citations84
US7171026B2Jan 30, 2007
Steering device, method of authenticating a driver, and vehicle
SONY CORP14 citations84
USD520462SMay 9, 2006
Remote controller
SONY CORP14 citations84
US6992812B2Jan 31, 2006
Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus
SONY CORP5 citations74
US6987606B2Jan 17, 2006
Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus
SONY CORP8 citations74
USD412862SAug 17, 1999
Infrared detector
SONY CORP6 citations74
USD408784SApr 27, 1999
Adaptor for video camera
SONY CORP14 citations74
USD381985SAug 5, 1997
Radio receiver
SONY CORP15 citations74
USD950625SMay 3, 2022
Video camera
SONY CORP5 citations72
US9288403B2Mar 15, 2016
Image processing circuit, image processing method, and display device
SONY CORP2 citations63
US7072097B2Jul 4, 2006
Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus
SONY CORP2 citations63
USD524253SJul 4, 2006
Remote controller
SONY CORP5 citations63
US6999229B2Feb 14, 2006
Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus
SONY CORP1 citations63
USD413133SAug 24, 1999
Combined video tape recorder and camera
SONY CORP2 citations63
WACOM CO LTD
8 patentsUS12118168B2Oct 15, 2024
Pen state detection circuit, method, and device, and parameter supply device
WACOM CO LTD2 citations73
US12026326B2Jul 2, 2024
Pen state detection circuit and method, and input system
WACOM CO LTD2 citations73
US12524087B2Jan 13, 2026
Pen state detection circuit, system, and method
WACOM CO LTD0 citations62
US12504854B2Dec 23, 2025
Pen state detection circuit, method, and device, and parameter supply device
WACOM CO LTD0 citations62
US12265668B2Apr 1, 2025
Pen state detection circuit and method, and input system
WACOM CO LTD0 citations62
US12216846B2Feb 4, 2025
Pen state detection circuit, system, and method
WACOM CO LTD0 citations62
US11841999B2Dec 12, 2023
Pen state detection circuit, system, and method
WACOM CO LTD0 citations62
US11604521B2Mar 14, 2023
Pen state detection circuit, system, and method
WACOM CO LTD0 citations62
JOLED INC
6 patentsUS10354586B2Jul 16, 2019
Image signal processing circuit, image signal processing method, and display unit with pixel degradation correction
JOLED INC2 citations73
US9538091B2Jan 3, 2017
Imaging apparatus, imaging signal processing circuit, imaging signal processing method, display apparatus, image signal processing circuit, and image signal processing method
JOLED INC4 citations73
US9344761B2May 17, 2016
Video display system, external unit, and method of displaying video
JOLED INC2 citations62
US10115346B2Oct 30, 2018
Display device, driving method, and electronic apparatus
JOLED INC1 citations52
US9299291B2Mar 29, 2016
Display unit, driving method and electronic apparatus
JOLED INC1 citations51
US9870738B2Jan 16, 2018
Display device, method of driving display device, and electronic apparatus
JOLED INC0 citations41