Inventor
ISHIKAWA YOSHINORI
JP54 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA YOSHINORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS6865141B2Mar 8, 2005
Optical disc apparatus switching focus point between layers
HITACHI LTD33 citations96
US7111133B2Sep 19, 2006
Control apparatus for selectively operating with program data from two memories and having a system controller supplying program data and address for writing the data to the second memory
HITACHI LTD7 citations72
US7848190B2Dec 7, 2010
Optical disc apparatus switching focus point between layers
HITACHI LTD2 citations63
US7710838B2May 4, 2010
Focus out detecting apparatus and optical disc apparatus using the same
HITACHI LTD2 citations63
US7542387B2Jun 2, 2009
Defocus detection device, defocus detection method and optical disk unit using the same
HITACHI LTD4 citations63
US7471597B2Dec 30, 2008
Optical disc apparatus switching focus point between layers
HITACHI LTD2 citations63
US7200075B2Apr 3, 2007
Optical disc apparatus switching focus point between layers
HITACHI LTD2 citations63
US7983122B2Jul 19, 2011
Defocus detection device, defocus detection method and optical disk unit using the same
HITACHI LTD0 citations52
US7663986B2Feb 16, 2010
Servo control signal generation device and an optical disk device using the same
HITACHI LTD0 citations52
US7310290B2Dec 18, 2007
Tracking learning/adjusting method and optical disk device
HITACHI LTD1 citations52
US7212472B2May 1, 2007
Focus point switching
HITACHI LTD0 citations52
US7151722B2Dec 19, 2006
Optical disc apparatus switching focus point between layers
HITACHI LTD0 citations52
US7457221B2Nov 25, 2008
Optical disc recording/reproduction device
HITACHI LTD1 citations51
US6665237B2Dec 16, 2003
Control apparatus and optical disc apparatus using it
HITACHI LTD0 citations50
YAZAKI CORP
12 patentsUS10714869B2Jul 14, 2020
Connector
YAZAKI CORP2 citations73
US9660246B2May 23, 2017
Battery terminal
YAZAKI CORP2 citations73
US9607798B2Mar 28, 2017
Fuse unit
YAZAKI CORP2 citations73
US11239600B2Feb 1, 2022
Housing with an engaging piece
YAZAKI CORP4 citations72
US9941086B2Apr 10, 2018
Electrical component unit, fusible link unit, and fixing structure
YAZAKI CORP6 citations70
US10250002B2Apr 2, 2019
Method of manufacturing electrical connection block
YAZAKI CORP1 citations63
US11171442B2Nov 9, 2021
Housing
YAZAKI CORP0 citations62
US11133620B2Sep 28, 2021
Connector housing having sealing member and protective wall
YAZAKI CORP1 citations62
US10141148B2Nov 27, 2018
Affixed object, fusible link, and affixing structure for fusible link
YAZAKI CORP1 citations50
US9653723B2May 16, 2017
Battery terminal, fuse unit, and method for manufacturing fuse unit
YAZAKI CORP0 citations49
US10650997B2May 12, 2020
Fuse unit for connecting battery
YAZAKI CORP0 citations42
US10283308B2May 7, 2019
Busbar
YAZAKI CORP0 citations42
TOYOTA MOTOR CO LTD
5 patentsUS7626136B2Dec 1, 2009
Powder metal cladding nozzle
TOYOTA MOTOR CO LTD28 citations91
US9533373B2Jan 3, 2017
Powder overlay nozzle
TOYOTA MOTOR CO LTD10 citations84
US9623514B2Apr 18, 2017
Powder supply method in cladding
TOYOTA MOTOR CO LTD2 citations72
US7770781B2Aug 10, 2010
Bonding method
TOYOTA MOTOR CO LTD6 citations57
US10071444B2Sep 11, 2018
Laser cladding apparatus and operating method
TOYOTA MOTOR CO LTD0 citations52
ISHIKAWA YOSHINORI
4 patentsUS8514684B2Aug 20, 2013
Multilayer optical disc for easy positioning of a focused beam
ISHIKAWA YOSHINORI0 citations51
US8427913B2Apr 23, 2013
Servo control signal generation device and an optical disk device using the same
ISHIKAWA YOSHINORI0 citations51
US8174945B2May 8, 2012
Multi-layered optical disk and optical disk device capable of addressing a focus lead-in operation
ISHIKAWA YOSHINORI0 citations51
US8120999B2Feb 21, 2012
Optical disc apparatus and defocus correcting method
ISHIKAWA YOSHINORI1 citations48
ALPS ELECTRIC CO LTD
2 patentsKAIJO KK
2 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsSATO AKIO
1 patentONODA SHINYA
1 patentHITACHI LG DATA STORAGE INC
1 patentNIKON CORP
1 patentKIORITZ CORP
1 patentKAWASAKI MINORU
1 patentTADA YUKINOBU
1 patentKATAOKA TAKEYOSHI
1 patentYOKOWO SEISAKUSHO KK
1 patentShowing the top 50 of 54 patents by PatentIndex Score.