Inventor
KOYAMA MASAKI
JP71 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
10 patentsUS9048265B2Jun 2, 2015
Method for manufacturing semiconductor device comprising oxide semiconductor layer
SEMICONDUCTOR ENERGY LAB29 citations94
US7851318B2Dec 14, 2010
Semiconductor substrate and method for manufacturing the same, and method for manufacturing semiconductor device
SEMICONDUCTOR ENERGY LAB27 citations93
US7247527B2Jul 24, 2007
Method for manufacturing semiconductor device, and laser irradiation apparatus
SEMICONDUCTOR ENERGY LAB43 citations93
US7358165B2Apr 15, 2008
Semiconductor device and method for manufacturing semiconductor device
SEMICONDUCTOR ENERGY LAB11 citations84
US9577107B2Feb 21, 2017
Oxide semiconductor film and method for forming oxide semiconductor film
SEMICONDUCTOR ENERGY LAB2 citations73
US9276091B2Mar 1, 2016
Semiconductor device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB3 citations73
US8377804B2Feb 19, 2013
Manufacturing method of semiconductor substrate and semiconductor device
SEMICONDUCTOR ENERGY LAB4 citations63
US7881350B2Feb 1, 2011
Laser apparatus, laser irradiation method, and manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB2 citations63
US7359412B2Apr 15, 2008
Laser apparatus, laser irradiation method, and manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB4 citations63
US7223306B2May 29, 2007
Laser apparatus, laser irradiation method, and manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB4 citations63
KOYAMA MASAKI
9 patentsUS8421184B2Apr 16, 2013
Semiconductor device
KOYAMA MASAKI21 citations92
US8507352B2Aug 13, 2013
Method of manufacturing semiconductor device including insulated gate bipolar transistor and diode
KOYAMA MASAKI8 citations84
US8097901B2Jan 17, 2012
Semiconductor device having insulated gate semiconductor element, and insulated gate bipolar transistor
KOYAMA MASAKI11 citations84
US8952449B2Feb 10, 2015
Semiconductor device having both IGBT area and diode area
KOYAMA MASAKI8 citations83
US8716746B2May 6, 2014
Semiconductor device
KOYAMA MASAKI11 citations83
US9470230B2Oct 18, 2016
Refrigerant compressor and refrigeration cycle apparatus using the same
KOYAMA MASAKI5 citations73
US8481393B2Jul 9, 2013
Semiconductor substrate and method for manufacturing the same, and method for manufacturing semiconductor device
KOYAMA MASAKI4 citations63
US9496138B2Nov 15, 2016
Method for manufacturing oxide semiconductor film, method for manufacturing semiconductor device, and semiconductor device
KOYAMA MASAKI2 citations62
US8216914B2Jul 10, 2012
Method for manufacturing SOI substrate and method for manufacturing semiconductor device
KOYAMA MASAKI2 citations62
HITACHI LTD
7 patentsUS5947709ASep 7, 1999
Scroll compressor with oiling mechanism
HITACHI LTD36 citations92
US5716202AFeb 10, 1998
Scroll compressor with oiling mechanism
HITACHI LTD36 citations92
US6494696B2Dec 17, 2002
Scroll compressor
HITACHI LTD7 citations73
US6637550B2Oct 28, 2003
Displacement type fluid machine
HITACHI LTD10 citations72
US10727727B2Jul 28, 2020
Linear motor and apparatus using same
HITACHI LTD1 citations62
US10288117B2May 14, 2019
Motor system and compressor equipped therewith
HITACHI LTD1 citations62
US11411522B2Aug 9, 2022
Linear motor system and compressor
HITACHI LTD0 citations61
HITACHI AUTOMOTIVE SYSTEMS LTD
4 patentsUS10766330B2Sep 8, 2020
Air suspension system
HITACHI AUTOMOTIVE SYSTEMS LTD6 citations71
US12083844B2Sep 10, 2024
Air suspension system and camera cleaning system
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations70
US11211858B2Dec 28, 2021
Linear motor and compressor
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations68
US11401924B2Aug 2, 2022
Linear compressor and linear compressor control system
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations59
MATSUSHITA ELECTRIC WORKS LTD
3 patentsUS6864780B2Mar 8, 2005
Data transmission system using a human body as a signal transmission path
MATSUSHITA ELECTRIC WORKS LTD176 citations97
US6771161B1Aug 3, 2004
Data transmission system using a human body as a signal transmission path
MATSUSHITA ELECTRIC WORKS LTD100 citations96
US6525670B1Feb 25, 2003
In-home health care system
MATSUSHITA ELECTRIC WORKS LTD38 citations91
NISSAN MOTOR
3 patentsDENSO CORP
2 patentsSHIMOMURA AKIHISA
2 patentsFUJI ELECTRIC CO LTD
2 patentsYAMAZAKI SHUNPEI
1 patentMOMOTA SEIJI
1 patentOKADA TAKAYUKI
1 patentPANASONIC CORP
1 patentTOPPAN PRINTING CO LTD
1 patentKIMURA KEISUKE
1 patentHITACHI ASTEMO LTD
1 patentSAMSUNG ELECTRO MECH
1 patentShowing the top 50 of 71 patents by PatentIndex Score.