Inventor
YAMADA HIDETO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA HIDETO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
8 patentsUS10348061B2Jul 9, 2019
Spark plug
NGK SPARK PLUG CO4 citations71
US10347817B2Jul 9, 2019
Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition
NGK SPARK PLUG CO1 citations61
US11945987B2Apr 2, 2024
Light wavelength conversion member and light-emitting device
NGK SPARK PLUG CO0 citations60
US11560513B2Jan 24, 2023
Optical wavelength conversion member and light-emitting device
NGK SPARK PLUG CO0 citations60
US9136033B2Sep 15, 2015
Sintered oxide compact and circuit board using same
NGK SPARK PLUG CO2 citations57
US10340441B2Jul 2, 2019
Lead-free piezoelectric ceramic composition, piezoelectric element using the same, and method of manufacturing lead-free piezoelectric ceramic composition
NGK SPARK PLUG CO0 citations50
US9938197B2Apr 10, 2018
Unleaded piezoelectric ceramic composition, piezoelectric element using same, device, and method for manufacturing unleaded piezoelectric ceramic composition
NGK SPARK PLUG CO0 citations50
US9871187B2Jan 16, 2018
Lead-free piezo-electric porcelain composition, piezo-electric element using the same, and method for producing lead-free piezo-electric porcelain composition
NGK SPARK PLUG CO1 citations48
SEIKO KAGAKU KOGYO CO LTD
6 patentsUS4533434AAug 6, 1985
Process for sizing paper and process for making plasterboard base paper sized thereby
SEIKO KAGAKU KOGYO CO LTD38 citations89
US4849055AJul 18, 1989
Process for making paper using a substituted succinic anhydride as a sizing agent
SEIKO KAGAKU KOGYO CO LTD17 citations72
US4405408ASep 20, 1983
Cellulose processing agents and paper processed therewith
SEIKO KAGAKU KOGYO CO LTD11 citations72
US4810301AMar 7, 1989
Composition for sizing agent and process for using the same composition
SEIKO KAGAKU KOGYO CO LTD6 citations61
US4717452AJan 5, 1988
Composition for sizing agent and process for using the same composition
SEIKO KAGAKU KOGYO CO LTD3 citations61
US4882087ANov 21, 1989
Aqueous dispersed solution of substituted succinic anhydride and process for producing the same
SEIKO KAGAKU KOGYO CO LTD4 citations57
AMADA CO LTD
6 patentsUS12023724B2Jul 2, 2024
Method for installing divided upper tool to upper tool holder provided on upper table of press brake, tool changer, and tool stocker
AMADA CO LTD1 citations72
US12115573B2Oct 15, 2024
Bending system and greasing unit
AMADA CO LTD1 citations62
US12214406B2Feb 4, 2025
Upper tool stocker
AMADA CO LTD0 citations61
US12179252B2Dec 31, 2024
Tool changer
AMADA CO LTD0 citations61
US11819901B2Nov 21, 2023
Tool for press brake
AMADA CO LTD0 citations61
US12440881B2Oct 14, 2025
Method for installing divided upper tool to upper tool holder provided on upper table of press brake, tool changer, and tool stocker
AMADA CO LTD0 citations51