Inventor
IKENAGA CHIKAO
JP60 patents
⚠️ This page may combine multiple inventors who share the name “IKENAGA CHIKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
47 patentsUS6703696B2Mar 9, 2004
Semiconductor package
DAINIPPON PRINTING CO LTD86 citations95
US11279999B2Mar 22, 2022
Deposition mask apparatus, mask support mechanism, and production method for deposition mask apparatus
DAINIPPON PRINTING CO LTD16 citations94
US7405468B2Jul 29, 2008
Plastic package and method of fabricating the same
DAINIPPON PRINTING CO LTD24 citations93
US6882048B2Apr 19, 2005
Lead frame and semiconductor package having a groove formed in the respective terminals for limiting a plating area
DAINIPPON PRINTING CO LTD23 citations92
US6774470B2Aug 10, 2004
Non-contact data carrier and method of fabricating the same
DAINIPPON PRINTING CO LTD34 citations92
US6744118B2Jun 1, 2004
Frame for semiconductor package
DAINIPPON PRINTING CO LTD21 citations92
US11608554B2Mar 21, 2023
Deposition mask apparatus, mask support mechanism, and production method for deposition mask apparatus
DAINIPPON PRINTING CO LTD6 citations86
US11434559B2Sep 6, 2022
Deposition mask apparatus, mask support mechanism, and production method for deposition mask apparatus
DAINIPPON PRINTING CO LTD11 citations86
US11732347B2Aug 22, 2023
Standard mask apparatus and method of manufacturing standard mask apparatus
DAINIPPON PRINTING CO LTD8 citations85
US11313026B2Apr 26, 2022
Method of manufacturing deposition mask, intermediate product to which deposition mask is allocated, and deposition mask
DAINIPPON PRINTING CO LTD11 citations84
US11136664B2Oct 5, 2021
Deposition mask and method of manufacturing deposition mask
DAINIPPON PRINTING CO LTD6 citations83
US9828665B2Nov 28, 2017
Metal plate, method of manufacturing metal plate, and method of manufacturing deposition mask by use of metal plate
DAINIPPON PRINTING CO LTD7 citations82
US7365441B2Apr 29, 2008
Semiconductor device fabricating apparatus and semiconductor device fabricating method
DAINIPPON PRINTING CO LTD15 citations82
US7018844B2Mar 28, 2006
Non-contact data carrier and method of fabricating the same
DAINIPPON PRINTING CO LTD6 citations74
US11788181B2Oct 17, 2023
Deposition mask apparatus, mask support mechanism, and production method for deposition mask apparatus
DAINIPPON PRINTING CO LTD3 citations73
US11501992B2Nov 15, 2022
Vapor deposition mask and method for manufacturing same, vapor deposition mask device and method for manufacturing same, intermediate, vapor deposition method, and method for manufacturing organic EL display device
DAINIPPON PRINTING CO LTD5 citations73
US10600963B2Mar 24, 2020
Metal plate, method of manufacturing metal plate, and method of manufacturing mask by using metal plate
DAINIPPON PRINTING CO LTD4 citations73
US11733607B2Aug 22, 2023
Metal plate for producing vapor deposition masks, inspection method for metal plates, production method for metal plates, vapor deposition mask, vapor deposition mask device, and production method for vapor deposition masks
DAINIPPON PRINTING CO LTD2 citations72
US11237481B2Feb 1, 2022
Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask
DAINIPPON PRINTING CO LTD3 citations72
US11486031B2Nov 1, 2022
Metal plate
DAINIPPON PRINTING CO LTD3 citations71
US10612124B2Apr 7, 2020
Manufacturing method for deposition mask, metal plate used for producing deposition mask, and manufacturing method for said metal sheet
DAINIPPON PRINTING CO LTD2 citations71
US10570498B2Feb 25, 2020
Manufacturing method for deposition mask, metal plate used for producing deposition mask, and manufacturing method for said metal sheet
DAINIPPON PRINTING CO LTD5 citations71
US10126521B2Nov 13, 2018
Leaf spring, camera module drive mechanism, electronic terminal, and method for producing leaf spring
DAINIPPON PRINTING CO LTD2 citations71
US11148397B2Oct 19, 2021
Deposition mask package and deposition mask packaging method
DAINIPPON PRINTING CO LTD1 citations70
US7851902B2Dec 14, 2010
Resin-sealed semiconductor device, manufacturing method thereof, base material for the semiconductor device, and layered and resin-sealed semiconductor device
DAINIPPON PRINTING CO LTD2 citations63
US7825514B2Nov 2, 2010
Substrate for semiconductor device, resin-sealed semiconductor device, method for manufacturing said substrate for semiconductor device and method for manufacturing said resin-sealed semiconductor device
DAINIPPON PRINTING CO LTD2 citations63
US12540385B2Feb 3, 2026
Production method for metal plates for vapor deposition masks
DAINIPPON PRINTING CO LTD0 citations62
US12227823B2Feb 18, 2025
Metal plate for producing vapor deposition masks, production method for metal plates, vapor deposition mask, production method for vapor deposition mask, and vapor deposition mask device comprising vapor deposition mask
DAINIPPON PRINTING CO LTD0 citations62
US12117727B2Oct 15, 2024
Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask
DAINIPPON PRINTING CO LTD0 citations62
US11793014B2Oct 17, 2023
Electronic device, manufacturing method for electronic device, and deposition mask group
DAINIPPON PRINTING CO LTD0 citations62
US11649540B2May 16, 2023
Deposition mask and method of manufacturing deposition mask
DAINIPPON PRINTING CO LTD0 citations62
US11220736B2Jan 11, 2022
Deposition mask
DAINIPPON PRINTING CO LTD1 citations62
US11217750B2Jan 4, 2022
Metal plate, method of manufacturing metal plate, and method of manufacturing mask by using metal plate
DAINIPPON PRINTING CO LTD0 citations62
US10991883B2Apr 27, 2021
Deposition mask, method of manufacturing deposition mask device, and method of manufacturing deposition mask
DAINIPPON PRINTING CO LTD1 citations62
US6703694B2Mar 9, 2004
Frame for semiconductor package including plural lead frames having thin parts or hollows adjacent the terminal roots
DAINIPPON PRINTING CO LTD2 citations62
US11814719B2Nov 14, 2023
Method of manufacturing deposition mask, intermediate product to which deposition mask is allocated, and deposition mask
DAINIPPON PRINTING CO LTD1 citations61
US10731261B2Aug 4, 2020
Metal plate, method of manufacturing metal plate, and method of manufacturing mask by use of metal plate
DAINIPPON PRINTING CO LTD1 citations61
US8018044B2Sep 13, 2011
Semiconductor device, substrate for producing semiconductor device and method of producing them
DAINIPPON PRINTING CO LTD3 citations61
US12508797B2Dec 30, 2025
Deposition mask package and deposition mask packaging method
DAINIPPON PRINTING CO LTD0 citations59
US12109778B2Oct 8, 2024
Deposition mask package and deposition mask packaging method
DAINIPPON PRINTING CO LTD0 citations59
US11118258B2Sep 14, 2021
Deposition mask, method of manufacturing deposition mask and metal plate
DAINIPPON PRINTING CO LTD1 citations59
US10538838B2Jan 21, 2020
Deposition mask, method of manufacturing deposition mask and metal plate
DAINIPPON PRINTING CO LTD1 citations59
US10541387B2Jan 21, 2020
Deposition mask, method of manufacturing deposition mask and metal plate
DAINIPPON PRINTING CO LTD1 citations59
US11732361B2Aug 22, 2023
Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition mask
DAINIPPON PRINTING CO LTD1 citations58
US11667983B2Jun 6, 2023
Method for manufacturing metal plate
DAINIPPON PRINTING CO LTD1 citations58
US12480200B2Nov 25, 2025
Method of quality determining of deposition mask, method of manufacturing deposition mask, method of manufacturing deposition mask device, method of selecting deposition mask, and deposition mask
DAINIPPON PRINTING CO LTD0 citations52
US11739412B2Aug 29, 2023
Deposition mask and production method of deposition mask
DAINIPPON PRINTING CO LTD0 citations52
NITTO DENKO CORP
1 patentMASUDA MASACHIKA
1 patentIKENAGA CHIKAO
1 patentShowing the top 50 of 60 patents by PatentIndex Score.