Inventor
SEKI KENTAROU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “SEKI KENTAROU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
7 patentsUS8018044B2Sep 13, 2011
Semiconductor device, substrate for producing semiconductor device and method of producing them
DAINIPPON PRINTING CO LTD3 citations61
US11118258B2Sep 14, 2021
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
US10538838B2Jan 21, 2020
Deposition mask, method of manufacturing deposition mask and metal plate
DAINIPPON PRINTING CO LTD1 citations59
US12381136B2Aug 5, 2025
Lead frame and manufacturing method thereof
DAINIPPON PRINTING CO LTD0 citations57
US12243811B2Mar 4, 2025
Lead frame and manufacturing method thereof
DAINIPPON PRINTING CO LTD0 citations56
US7943427B2May 17, 2011
Semiconductor device, substrate for producing semiconductor device and method of producing them
DAINIPPON PRINTING CO LTD0 citations40