Inventor
YOSHIKAWA TOSHIYUKI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DISCO CORP
14 patentsUS6998571B2Feb 14, 2006
Laser beam processing machine
DISCO CORP137 citations98
US7468309B2Dec 23, 2008
Semiconductor wafer treatment method
DISCO CORP114 citations97
US7265033B2Sep 4, 2007
Laser beam processing method for a semiconductor wafer
DISCO CORP138 citations97
US7179723B2Feb 20, 2007
Wafer processing method
DISCO CORP138 citations97
US7399682B2Jul 15, 2008
Wafer processing method
DISCO CORP16 citations84
US12191138B2Jan 7, 2025
Processing method of workpiece
DISCO CORP8 citations83
US7446022B2Nov 4, 2008
Wafer laser processing method
DISCO CORP15 citations83
US7087857B2Aug 8, 2006
Method of dividing a workpiece in the form of a plate having a layer and a substrate made of different materials
DISCO CORP9 citations73
US9620355B2Apr 11, 2017
Wafer processing method
DISCO CORP4 citations72
US11764085B2Sep 19, 2023
Processing apparatus
DISCO CORP2 citations68
US7737002B2Jun 15, 2010
Wafer dividing method
DISCO CORP2 citations63
US9748119B2Aug 29, 2017
Wafer processing method
DISCO CORP0 citations51
US12532684B2Jan 20, 2026
Protective film substance for laser processing and method of processing workpiece
DISCO CORP0 citations50
US11251083B2Feb 15, 2022
Workpiece processing method and device chip manufacturing method
DISCO CORP0 citations49
KK YOSHIKAWAKUNI KOGYOSHO
11 patentsUSD932185SOct 5, 2021
Storage box
KK YOSHIKAWAKUNI KOGYOSHO11 citations86
USD881684SApr 21, 2020
Clip with a hook
KK YOSHIKAWAKUNI KOGYOSHO15 citations86
USD1038715SAug 13, 2024
Colander
KK YOSHIKAWAKUNI KOGYOSHO3 citations75
USD1032201SJun 25, 2024
Storage box
KK YOSHIKAWAKUNI KOGYOSHO2 citations73
USD962719SSep 6, 2022
Storage container for food
KK YOSHIKAWAKUNI KOGYOSHO5 citations73
USD960664SAug 16, 2022
Storage container for food
KK YOSHIKAWAKUNI KOGYOSHO4 citations73
USD953677SMay 31, 2022
Trash can
KK YOSHIKAWAKUNI KOGYOSHO5 citations73
US10648720B2May 12, 2020
Ice-making container
KK YOSHIKAWAKUNI KOGYOSHO4 citations73
USD1105753SDec 16, 2025
Storage container
KK YOSHIKAWAKUNI KOGYOSHO0 citations62
USD1075374SMay 20, 2025
Multi-tiered utility cart
KK YOSHIKAWAKUNI KOGYOSHO0 citations62
US11760401B2Sep 19, 2023
Carrier
KK YOSHIKAWAKUNI KOGYOSHO0 citations62
YOSHIKAWA TOSHIYUKI
6 patentsUSD781932SMar 21, 2017
Ice maker
YOSHIKAWA TOSHIYUKI27 citations94
USD773864SDec 13, 2016
Storage case
YOSHIKAWA TOSHIYUKI6 citations84
USD747768SJan 19, 2016
Book stand
YOSHIKAWA TOSHIYUKI12 citations84
US9320354B2Apr 26, 2016
Shoe storage apparatus
YOSHIKAWA TOSHIYUKI2 citations62
US8957347B2Feb 17, 2015
Method of detecting condensing spot position in laser beam processing apparatus
YOSHIKAWA TOSHIYUKI2 citations61
US8752276B2Jun 17, 2014
Method of manufacturing rotating electrical machine
YOSHIKAWA TOSHIYUKI0 citations50
YOSHIKAWAKUNI KOGYOSHO KK
5 patentsUSD585494SJan 27, 2009
Desktop organizer
YOSHIKAWAKUNI KOGYOSHO KK33 citations92
USD585495SJan 27, 2009
Desktop organizer
YOSHIKAWAKUNI KOGYOSHO KK15 citations84
USD525656SJul 25, 2006
Filing case
YOSHIKAWAKUNI KOGYOSHO KK2 citations62
USD522058SMay 30, 2006
Filing case
YOSHIKAWAKUNI KOGYOSHO KK2 citations62
USD522057SMay 30, 2006
Filing case
YOSHIKAWAKUNI KOGYOSHO KK0 citations52
KURARAY CO
4 patentsUS6259854B1Jul 10, 2001
Lightguide
KURARAY CO159 citations97
US6086212AJul 11, 2000
Panel light source device and display comprising it
KURARAY CO49 citations91
US6215936B1Apr 10, 2001
Lightguide having trapezoidally-shaped main body with a level surface at an angle to a rear surface
KURARAY CO34 citations89
US5776636AJul 7, 1998
Method of manufacturing light-transmitting plates
KURARAY CO37 citations89
NITTO ELECTRIC IND CO
3 patentsUS4608249AAug 26, 1986
Hydrophilic therapeutic material
NITTO ELECTRIC IND CO138 citations96
US4485087ANov 27, 1984
Process for obtaining composite pharmaceutical preparation
NITTO ELECTRIC IND CO32 citations92
US4420470ADec 13, 1983
Percutaneous absorption type pharmaceutical preparation of isosorbide dinitrate or pentaerythritol tetranitrate in pressure-sensitive laminate
NITTO ELECTRIC IND CO18 citations70
NITTO DENKO CORP
2 patentsKK YOSHIKAWAKUI KOGYOSHO
2 patentsNITTI ELECTRIC IND CO LTD
1 patentTAKANASHI HIROSHI
1 patentTOSHIBA CERAMICS CO
1 patentShowing the top 50 of 59 patents by PatentIndex Score.