Inventor
YOKOYAMA HIROAKI
JP54 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
21 patentsUSD556730SDec 4, 2007
Transmitter
SONY CORP22 citations92
USD521486SMay 23, 2006
Transmitter for audio player
SONY CORP19 citations92
USD491167SJun 8, 2004
Speaker box
SONY CORP42 citations92
USD908773SJan 26, 2021
Video camera
SONY CORP7 citations84
USD638415SMay 24, 2011
Audio player
SONY CORP9 citations84
USD635552SApr 5, 2011
Speaker box
SONY CORP11 citations84
USD589943SApr 7, 2009
Speaker
SONY CORP11 citations84
USD582896SDec 16, 2008
Speaker
SONY CORP9 citations84
USD574796SAug 12, 2008
Combined monitor display and disc player
SONY CORP13 citations84
USD534157SDec 26, 2006
Speaker box
SONY CORP11 citations84
USD534158SDec 26, 2006
Speaker box
SONY CORP13 citations84
USD525234SJul 18, 2006
Disc player
SONY CORP11 citations84
USD627794SNov 23, 2010
Combined monitor display and disc player
SONY CORP5 citations74
USD610162SFeb 16, 2010
Disc player
SONY CORP7 citations74
USD589030SMar 24, 2009
Speaker
SONY CORP7 citations74
USD582393SDec 9, 2008
Speaker
SONY CORP8 citations74
USD606097SDec 15, 2009
Disc player
SONY CORP3 citations63
USD533864SDec 19, 2006
Combined disc player, clock and radio receiver
SONY CORP4 citations63
USD521975SMay 30, 2006
Combined radio receiver and clock
SONY CORP4 citations63
USD519984SMay 2, 2006
Speaker box
SONY CORP3 citations63
USD613764SApr 13, 2010
Disc player
SONY CORP4 citations62
NEC CORP
8 patentsUS6559510B1May 6, 2003
Static random access memory device
NEC CORP13 citations84
US6396110B1May 28, 2002
Semiconductor device with multiple emitter contact plugs
NEC CORP7 citations74
US6066521AMay 23, 2000
Method for manufacturing BiMOS device with improvement of high frequency characteristics of bipolar transistor
NEC CORP9 citations74
US6225179B1May 1, 2001
Semiconductor integrated bi-MOS circuit having isolating regions different in thickness between bipolar area and MOS area and process of fabrication thereof
NEC CORP4 citations63
US5933720AAug 3, 1999
Method for manufacturing BiMOS device with improvement of high frequency characteristics of bipolar transistor
NEC CORP2 citations63
US5482889AJan 9, 1996
Method for producing of semiconductor device having of channel stopper under field insulating layer
NEC CORP6 citations63
US6022780AFeb 8, 2000
Semiconductor device having source and drain regions different in depth from each other and process of fabrication thereof
NEC CORP1 citations52
US5598013AJan 28, 1997
Semiconductor device having a source-drain region of a load transistor that is formed by implanting an impurity using an insulation layer as a mask
NEC CORP1 citations52
YOKOYAMA HIROAKI
7 patentsUSD667389SSep 18, 2012
Speaker box
YOKOYAMA HIROAKI17 citations92
USD703184SApr 22, 2014
Speaker box
YOKOYAMA HIROAKI5 citations72
US8573950B2Nov 5, 2013
Tower internal-equipment bracket structure and wind turbine generator
YOKOYAMA HIROAKI5 citations68
USD689906SSep 17, 2013
Disc player
YOKOYAMA HIROAKI1 citations62
USD689458SSep 10, 2013
Audio player
YOKOYAMA HIROAKI3 citations62
USD648744SNov 15, 2011
Combined monitor display and disc player
YOKOYAMA HIROAKI1 citations62
USD666215SAug 28, 2012
Disc player
YOKOYAMA HIROAKI0 citations51
SNOW PEAK INC
4 patentsUS6173709B1Jan 16, 2001
Portable gas cooking stove
SNOW PEAK INC19 citations83
US6213760B1Apr 10, 2001
Burner for portable gas cooking stove
SNOW PEAK INC7 citations73
US6070989AJun 6, 2000
Structure for supporting a globe used for a portable gas lantern
SNOW PEAK INC7 citations69
US5957683ASep 28, 1999
Burner structure used for a portable gas cooking stove
SNOW PEAK INC11 citations69
FURUKAWA ELECTRIC CO LTD
3 patentsUS11006556B2May 11, 2021
Electromagnetic shield structure and wire harness
FURUKAWA ELECTRIC CO LTD1 citations73
US11324150B2May 3, 2022
Electromagnetic shield structure and wire harness
FURUKAWA ELECTRIC CO LTD0 citations63
US10660248B2May 19, 2020
Electromagnetic shield structure and wire harness
FURUKAWA ELECTRIC CO LTD0 citations52
JVCKENWOOD CORP
2 patentsJAPAN COMMUNICATIONS INC
2 patentsSONY GROUP CORP
1 patentMAZDA MOTOR
1 patentFUTABA IND CO LTD
1 patentShowing the top 50 of 54 patents by PatentIndex Score.