Inventor
YAMAGATA RYUTARO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGATA RYUTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CORP
9 patentsUS11634787B2Apr 25, 2023
Grain-oriented electrical steel sheet, annealing separator, and method for manufacturing grain-oriented electrical steel sheet
NIPPON STEEL CORP2 citations72
US12104219B2Oct 1, 2024
Grain-oriented electrical steel sheet and method for manufacturing same and annealing separator
NIPPON STEEL CORP0 citations62
US11591668B2Feb 28, 2023
Grain-oriented electrical steel sheet and method for manufacturing same and annealing separator
NIPPON STEEL CORP0 citations62
US12454735B2Oct 28, 2025
Grain-oriented electrical steel sheet, finish annealing-use steel sheet, annealing separator, method for manufacturing grain-oriented electrical steel sheet, and method for manufacturing finish annealing-use steel sheet
NIPPON STEEL CORP0 citations51
US12157936B2Dec 3, 2024
Grain-oriented electrical steel sheet, method for manufacturing grain-oriented electrical steel sheet, and annealing separator utilized for manufacture of grain-oriented electrical steel sheet
NIPPON STEEL CORP0 citations51
US12152286B2Nov 26, 2024
Grain-oriented electrical steel sheet, method for manufacturing grain-oriented electrical steel sheet, and annealing separator utilized for manufacture of grain-oriented electrical steel sheet
NIPPON STEEL CORP0 citations51
US12134802B2Nov 5, 2024
Grain-oriented electrical steel sheet, method for manufacturing grain-oriented electrical steel sheet, and annealing separator utilized for manufacture of grain-oriented electrical steel sheet
NIPPON STEEL CORP0 citations51
US12091722B2Sep 17, 2024
Method for manufacturing grain-oriented electrical steel sheet and grain-oriented electrical steel sheet
NIPPON STEEL CORP0 citations50
US11948711B2Apr 2, 2024
Grain oriented electrical steel sheet
NIPPON STEEL CORP0 citations50
MITA INDUSTRIAL CO LTD
8 patentsUS4387889AJun 14, 1983
Copying apparatus provided with a cassette-type paper feeding mechanism
MITA INDUSTRIAL CO LTD27 citations82
US4444494AApr 24, 1984
Copying apparatus equipped with an original-support device, and an original-holding mechanism therefor
MITA INDUSTRIAL CO LTD8 citations73
US4400077AAug 23, 1983
Photosensitive drum for electrostatic copying apparatus
MITA INDUSTRIAL CO LTD17 citations73
US4468111AAug 28, 1984
Developing device for use on an electrostatic copying apparatus
MITA INDUSTRIAL CO LTD17 citations72
US4436412AMar 13, 1984
Cleaning device for use on an electrostatic copying apparatus
MITA INDUSTRIAL CO LTD14 citations72
US4410259AOct 18, 1983
Apparatus for developing latent electrostatic image
MITA INDUSTRIAL CO LTD15 citations72
US4259008AMar 31, 1981
Electrostatic copying apparatus
MITA INDUSTRIAL CO LTD4 citations59
US4452530AJun 5, 1984
Copying apparatus equipped with an original-support device, and an original-holding mechanism therefor
MITA INDUSTRIAL CO LTD3 citations58