Inventor
YOSHIKAWA HIROYUKI
JP77 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO WIRING SYSTEMS
13 patentsUS6655987B2Dec 2, 2003
Terminal box apparatus for solar cell module
SUMITOMO WIRING SYSTEMS183 citations99
US6828503B2Dec 7, 2004
Terminal box device for a solar cell module and a connecting method for a terminal box device
SUMITOMO WIRING SYSTEMS166 citations98
US6840799B2Jan 11, 2005
Cable connector for connecting solar cell modules
SUMITOMO WIRING SYSTEMS48 citations93
US6437236B2Aug 20, 2002
Solar cell panel
SUMITOMO WIRING SYSTEMS41 citations93
US7369398B2May 6, 2008
Terminal box and a method of providing it
SUMITOMO WIRING SYSTEMS24 citations91
US7365965B2Apr 29, 2008
Terminal box for a solar battery module, a rectifying-device unit
SUMITOMO WIRING SYSTEMS29 citations90
US7920385B2Apr 5, 2011
Terminal box for solar cell module
SUMITOMO WIRING SYSTEMS10 citations84
US7723608B2May 25, 2010
Terminal box for a solar battery module, a rectifying-device unit and a method of assembling it
SUMITOMO WIRING SYSTEMS11 citations84
US7723609B2May 25, 2010
Terminal box for solar battery module
SUMITOMO WIRING SYSTEMS15 citations84
US6696636B2Feb 24, 2004
By-pass rectifier element and terminal housing for solar battery modules using a by-pass rectifier element
SUMITOMO WIRING SYSTEMS15 citations84
US9520214B2Dec 13, 2016
Electrical wire holder
SUMITOMO WIRING SYSTEMS6 citations83
US10128027B2Nov 13, 2018
Electrical wire holder
SUMITOMO WIRING SYSTEMS2 citations72
US12437899B2Oct 7, 2025
Covered wire
SUMITOMO WIRING SYSTEMS0 citations60
MITA INDUSTRIAL CO LTD
10 patentsUS5239547AAug 24, 1993
Self-diagnosis and self-repair system for image forming apparatus
MITA INDUSTRIAL CO LTD58 citations96
US5467355ANov 14, 1995
Image forming apparatus provided with self-diagnosis system
MITA INDUSTRIAL CO LTD105 citations95
US5166934ANov 24, 1992
Self-diagnois and repair system for image forming apparatus
MITA INDUSTRIAL CO LTD23 citations92
US5515503AMay 7, 1996
Self-repair system for an image forming apparatus
MITA INDUSTRIAL CO LTD17 citations73
US5463545AOct 31, 1995
Functional redundancy control system
MITA INDUSTRIAL CO LTD17 citations73
US5452438ASep 19, 1995
Image forming apparatus provided with self-diagnosis and self-repair system
MITA INDUSTRIAL CO LTD15 citations73
US5446523AAug 29, 1995
Image forming apparatus having self-repair function and self-repair method for the apparatus
MITA INDUSTRIAL CO LTD10 citations73
US5317368AMay 31, 1994
Image forming apparatus capable of making self-diagnosis
MITA INDUSTRIAL CO LTD17 citations73
US5396314AMar 7, 1995
Image forming apparatus having functional redundancy system
MITA INDUSTRIAL CO LTD5 citations62
US5548682AAug 20, 1996
Method of automatically creating control sequence software and apparatus therefor
MITA INDUSTRIAL CO LTD3 citations61
MINOLTA CO LTD
5 patentsUS5905935AMay 18, 1999
Finisher capable of folding a paper in a z-shape when the properties of a printed image is affected
MINOLTA CO LTD52 citations96
US6076817AJun 20, 2000
Finisher
MINOLTA CO LTD32 citations93
US5797596AAug 25, 1998
Finisher with a stapling function
MINOLTA CO LTD27 citations91
US6487377B2Nov 26, 2002
Recycle information system and image forming apparatus for recycling
MINOLTA CO LTD9 citations73
US5971383AOct 26, 1999
Finisher with a large-capacity sheet stack section
MINOLTA CO LTD16 citations70
RICOH KK
5 patentsUS6790575B2Sep 14, 2004
Two-component developer, image forming apparatus, and image forming method
RICOH KK43 citations92
US5358188AOct 25, 1994
Supersonic jet crusher of collisional type
RICOH KK21 citations87
US7166404B2Jan 23, 2007
Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using same
RICOH KK11 citations84
US7179577B2Feb 20, 2007
Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using same
RICOH KK3 citations63
US7011921B2Mar 14, 2006
Method and apparatus for producing toner for electrophotography
RICOH KK2 citations57
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS7443261B2Oct 28, 2008
Phase modulating apparatus, communication device, mobile wireless unit, and phase modulating method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US7333582B2Feb 19, 2008
Two-point frequency modulation apparatus, wireless transmitting apparatus, and wireless receiving apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations82
US7333789B2Feb 19, 2008
Wide-band modulation PLL, timing error correction system of wide-band modulation PLL, modulation timing error correction method and method for adjusting radio communication apparatus having wide-band modulation PLL
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7199677B2Apr 3, 2007
Frequency modulation apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
KONICA MINOLTA INC
4 patentsUS10141878B2Nov 27, 2018
Controller for permanent magnet synchronous motor, and control method for estimating initial position of rotor
KONICA MINOLTA INC2 citations72
US11940750B2Mar 26, 2024
Paper physical property detecting device, image forming apparatus, paper physical property detecting method, and computer readable recording medium storing control program
KONICA MINOLTA INC1 citations61
US12596319B2Apr 7, 2026
Media detection apparatus, image forming system, and recording medium
KONICA MINOLTA INC0 citations60
US12353152B2Jul 8, 2025
Sheet characteristic detection device, image forming system including the same, and image forming apparatus
KONICA MINOLTA INC0 citations60
YOSHIKAWA HIROYUKI
3 patentsKONICA MINOLTA BUSINESS TECH
2 patentsUS7424264B2Sep 9, 2008
Image formation apparatus and image formation method
KONICA MINOLTA BUSINESS TECH2 citations63
US7800769B2Sep 21, 2010
Information processing apparatus for setting process condition for allowing any of plurality of image forming apparatuses connected to network to form image, image formation condition setting method, and image formation condition setting program stored on a computer readable recording medium
KONICA MINOLTA BUSINESS TECH5 citations59
CANON KK
1 patentHIGASHIKOZONO MAKOTO
1 patentPANASONIC IP MAN CO LTD
1 patentPANASONIC CORP
1 patentShowing the top 50 of 77 patents by PatentIndex Score.