Inventor
KAGAYA OSAMU
JP83 patents
⚠️ This page may combine multiple inventors who share the name “KAGAYA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS6384688B1May 7, 2002
High-frequency power amplifier module
HITACHI LTD87 citations98
US6495914B1Dec 17, 2002
Multi-chip module structure having conductive blocks to provide electrical connection between conductors on first and second sides of a conductive base substrate
HITACHI LTD399 citations97
US6366788B1Apr 2, 2002
Mobile telephone system
HITACHI LTD75 citations96
US6330165B1Dec 11, 2001
Semiconductor device
HITACHI LTD74 citations95
US6489680B2Dec 3, 2002
Semiconductor device
HITACHI LTD15 citations92
US6636118B1Oct 21, 2003
High-frequency power amplification module and radio communication device
HITACHI LTD28 citations91
US6535069B2Mar 18, 2003
High-frequency power amplifier module
HITACHI LTD13 citations84
US5739559AApr 14, 1998
Compound semiconductor integrated circuit with a particular high resistance layer
HITACHI LTD14 citations73
US5523593AJun 4, 1996
Compound semiconductor integrated circuit and optical regenerative repeater using the same
HITACHI LTD11 citations70
OPNEXT JAPAN INC
8 patentsUS7986020B2Jul 26, 2011
Optical communication module and flexible printed circuit board
OPNEXT JAPAN INC7 citations84
US7400791B2Jul 15, 2008
Semiconductor element mounting board and optical transmission module
OPNEXT JAPAN INC10 citations84
US7068691B2Jun 27, 2006
Directly modulated optical module and method for driving semiconductor laser included therein
OPNEXT JAPAN INC10 citations74
US7130100B2Oct 31, 2006
Optical module
OPNEXT JAPAN INC9 citations72
US7011458B2Mar 14, 2006
Optical module
OPNEXT JAPAN INC10 citations72
US7626825B2Dec 1, 2009
Optical transmitter module
OPNEXT JAPAN INC5 citations63
US7593650B2Sep 22, 2009
Optical receiver
OPNEXT JAPAN INC4 citations62
US7149024B2Dec 12, 2006
Optical modulator module
OPNEXT JAPAN INC2 citations62
AGC INC
8 patentsUS11165135B2Nov 2, 2021
Antenna unit for glass, glass sheet with antenna, and production method of antenna unit for glass
AGC INC5 citations80
US10638548B2Apr 28, 2020
Window glass for vehicle
AGC INC2 citations73
US10211509B2Feb 19, 2019
Vehicle window glass and antenna
AGC INC3 citations73
US10960646B2Mar 30, 2021
Window member and vehicle window glass
AGC INC5 citations71
US10237922B2Mar 19, 2019
Electrically-heated window sheet material
AGC INC2 citations71
US11522294B2Dec 6, 2022
Antenna system
AGC INC2 citations70
US12107340B2Oct 1, 2024
Wireless communication device
AGC INC1 citations62
US12448321B2Oct 21, 2025
Glass plate and window
AGC INC0 citations61
RENESAS TECH CORP
7 patentsUS6865399B2Mar 8, 2005
Mobile telephone apparatus
RENESAS TECH CORP93 citations98
US6943624B2Sep 13, 2005
Radio frequency power amplifier
RENESAS TECH CORP61 citations96
US6674323B2Jan 6, 2004
High frequency power amplifier, high frequency power amplifier module, and portable telephone
RENESAS TECH CORP40 citations93
US6949974B2Sep 27, 2005
Radio frequency power amplifier
RENESAS TECH CORP12 citations84
US6853243B2Feb 8, 2005
Wireless communication frequency signal amplification apparatus and transmitting and receiving apparatus
RENESAS TECH CORP13 citations84
US7525813B2Apr 28, 2009
Semiconductor device
RENESAS TECH CORP6 citations73
US7123087B2Oct 17, 2006
Radio frequency power amplifier
RENESAS TECH CORP4 citations63
ASAHI GLASS CO LTD
6 patentsUS7420517B2Sep 2, 2008
High frequency wave glass antenna for an automobile and rear window glass sheet for an automobile
ASAHI GLASS CO LTD18 citations82
US9755300B2Sep 5, 2017
Windshield and antenna
ASAHI GLASS CO LTD6 citations73
US9553359B2Jan 24, 2017
Antenna apparatus
ASAHI GLASS CO LTD2 citations73
US7289075B2Oct 30, 2007
Planar antenna
ASAHI GLASS CO LTD8 citations73
US10091840B2Oct 2, 2018
Electrically-heated window sheet material
ASAHI GLASS CO LTD4 citations71
US9118114B2Aug 25, 2015
Window glass for vehicle and antenna
ASAHI GLASS CO LTD4 citations70
KAGAYA OSAMU
4 patentsUS8633399B2Jan 21, 2014
Differential transmission circuit, optical module, and information processing system
KAGAYA OSAMU15 citations84
US8218973B2Jul 10, 2012
Optical transmitter device and optical transmitter module
KAGAYA OSAMU11 citations80
US8941545B2Jan 27, 2015
Windowpane for vehicle and antenna
KAGAYA OSAMU6 citations67
US8676058B2Mar 18, 2014
Differential transmission circuit and information processing system
KAGAYA OSAMU3 citations62
OCLARO JAPAN INC
4 patentsUS10116116B2Oct 30, 2018
Printed circuit board and optical module
OCLARO JAPAN INC3 citations71
US9703053B2Jul 11, 2017
Optical transceiver
OCLARO JAPAN INC3 citations70
US10470293B2Nov 5, 2019
Printed circuit board and optical transceiver with the printed circuit board
OCLARO JAPAN INC1 citations63
US9112252B2Aug 18, 2015
Differential transmission circuit, optical module, and information processing system
OCLARO JAPAN INC3 citations63
LUMENTUM JAPAN INC
3 patentsUS11234326B2Jan 25, 2022
Printed circuit board, optical module, and optical transmission equipment
LUMENTUM JAPAN INC0 citations63
US11057986B2Jul 6, 2021
Printed circuit board and optical transceiver with the printed circuit board
LUMENTUM JAPAN INC0 citations63
US10904997B2Jan 26, 2021
Printed circuit board, optical module, and optical transmission equipment
LUMENTUM JAPAN INC0 citations63
HITACHI TOBU SEMICONDUCTOR LTD
1 patentShowing the top 50 of 83 patents by PatentIndex Score.