Inventor
YAMADA KATSUHIKO
JP83 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
11 patentsUS6069393AMay 30, 2000
Photoelectric converter
CANON KK84 citations96
US4791493ADec 13, 1988
Image reading apparatus with illumination timing control
CANON KK57 citations96
US5672902ASep 30, 1997
Image sensor
CANON KK41 citations93
US4920431AApr 24, 1990
Image reading apparatus with jam-prevention feature
CANON KK41 citations92
US4192229AMar 11, 1980
Fixing apparatus
CANON KK34 citations91
US4745488AMay 17, 1988
Image reader
CANON KK26 citations90
US4857751AAug 15, 1989
Photoelectric conversion apparatus with separating electrodes
CANON KK21 citations82
US3957016AMay 18, 1976
Developer wringing and removing apparatus
CANON KK23 citations82
US5073828ADec 17, 1991
Photoelectric conversion device
CANON KK17 citations74
US5040041AAug 13, 1991
Semiconductor device and signal processing device having said device provided therein
CANON KK16 citations74
US5834822ANov 10, 1998
Image sensor
CANON KK3 citations63
TOSHIBA KK
10 patentsUS11136244B2Oct 5, 2021
Rare earth cold accumulating material particles, and refrigerator, superconducting magnet, inspection device and cryopump using same
TOSHIBA KK6 citations84
US7847662B2Dec 7, 2010
Inductance element, method for manufacturing the same, and switching power supply using the same
TOSHIBA KK9 citations84
US11059725B2Jul 13, 2021
Rare earth cold accumulating material particles, and refrigerator, superconducting magnet, inspection device and cryopump using same
TOSHIBA KK2 citations73
US11015101B2May 25, 2021
Rare earth regenerator material particle, rare earth regenerator material particle group, and cold head, superconducting magnet, examination apparatus, and cryopump using the same
TOSHIBA KK2 citations73
US10155668B2Dec 18, 2018
Rare earth cold accumulating material particles, and refrigerator, superconducting magnet, inspection device and cryopump using same
TOSHIBA KK2 citations73
US10047265B2Aug 14, 2018
Rare earth regenerator material particle, rare earth regenerator material particle group, and cold head, superconducting magnet, examination apparatus, and cryopump using the same
TOSHIBA KK2 citations73
US10024583B2Jul 17, 2018
Rare-earth regenerator material particles, and group of rare-earth regenerator material particles, refrigerator and measuring apparatus using the same, and method for manufacturing the same
TOSHIBA KK2 citations73
US9443648B2Sep 13, 2016
Magnetic sheet for non-contact power receiving device, non-contact power receiving device, electronic apparatus, and non-contact charger
TOSHIBA KK3 citations69
US11417449B2Aug 16, 2022
Magnetic sheet and non-contact power receiving device, electronic apparatus and non-contact charging system using the same
TOSHIBA KK0 citations63
US10040982B2Aug 7, 2018
Rare-earth regenerator material particles, and group of rare-earth regenerator material particles, refrigerator and measuring apparatus using the same, and method for manufacturing the same
TOSHIBA KK1 citations63
MITSUBISHI ELECTRIC CORP
6 patentsUS6166684ADec 26, 2000
Artificial satellite navigation system and method
MITSUBISHI ELECTRIC CORP66 citations94
US6480787B2Nov 12, 2002
GPS receiving system
MITSUBISHI ELECTRIC CORP26 citations91
US6227496B1May 8, 2001
Attitude determination system for artificial satellite
MITSUBISHI ELECTRIC CORP24 citations91
US6102338AAug 15, 2000
Attitude determination system for artificial satellite
MITSUBISHI ELECTRIC CORP43 citations91
US6523786B2Feb 25, 2003
Apparatus for determining attitude of artificial satellite
MITSUBISHI ELECTRIC CORP21 citations89
US10752384B2Aug 25, 2020
Orbit control device and satellite
MITSUBISHI ELECTRIC CORP2 citations68
SONY CORP
4 patentsUS6097690AAug 1, 2000
Optical pickup and disc player
SONY CORP22 citations92
US8000097B2Aug 16, 2011
Information processing device and disk drive device
SONY CORP10 citations84
USD436947SJan 30, 2001
Pickup for an optical disc player or recorder
SONY CORP6 citations73
USD433676SNov 14, 2000
Drive unit for an optical disc player or recorder
SONY CORP8 citations73
SUMITOMO ELECTRIC INDUSTRIES
4 patentsUS4016926AApr 12, 1977
Electro-magnetic strirrer for continuous casting machine
SUMITOMO ELECTRIC INDUSTRIES36 citations89
US4604137AAug 5, 1986
Method and apparatus for controlled melt refining
SUMITOMO ELECTRIC INDUSTRIES16 citations74
US4526627AJul 2, 1985
Method and apparatus for direct heat treatment of medium- to high-carbon steel rods
SUMITOMO ELECTRIC INDUSTRIES9 citations74
US5015287AMay 14, 1991
Steel melting and secondary-refining method
SUMITOMO ELECTRIC INDUSTRIES7 citations66
SEGA ENTERPRISES KK
2 patentsYAMADA KATSUHIKO
2 patentsUS5057889AOct 15, 1991
Electronic device including thin film transistor
YAMADA KATSUHIKO35 citations92
US9556374B2Jan 31, 2017
Rare-earth regenerator material particles, and group of rare-earth regenerator material particles, refrigerator and measuring apparatus using the same, and method for manufacturing the same
YAMADA KATSUHIKO7 citations83
YAMAMOTO KAZUYUKI
2 patentsMITSUBISHI PETROCHEMICAL CO
2 patentsOKI ELECTRIC IND CO LTD
1 patentMITSUBISHI YUKA FINE CHEM
1 patentDAIKIN IND LTD
1 patentSAITO TADAO
1 patentDAINICHISEIKA COLOR CHEM
1 patentSUMITOMO METAL IND
1 patentMITSUBISHI HEAVY IND LTD
1 patentShowing the top 50 of 83 patents by PatentIndex Score.