Inventor
ABE TADASHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “ABE TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
5 patentsUS4954650ASep 4, 1990
Method for production of methacrylic acid
SUMITOMO CHEMICAL CO29 citations89
US4618709AOct 21, 1986
Waste water treatment in the production of methacrylic acid
SUMITOMO CHEMICAL CO34 citations89
US4199410AApr 22, 1980
Purification of crude acrylic acid
SUMITOMO CHEMICAL CO35 citations88
US7771674B2Aug 10, 2010
Multitubular reaction apparatus for contact gas-phase reaction
SUMITOMO CHEMICAL CO9 citations84
US4474981AOct 2, 1984
Process for preparing an acrylic or methacrylic acid ester
SUMITOMO CHEMICAL CO10 citations71
KONISHIROKU PHOTO IND
5 patentsUS4580890AApr 8, 1986
Paper feeding system in a copying apparatus
KONISHIROKU PHOTO IND20 citations80
US4401384AAug 30, 1983
Mirror device of copying machine or the like
KONISHIROKU PHOTO IND10 citations74
US4367945AJan 11, 1983
Slit exposure optical system for an electrophotographic copying apparatus
KONISHIROKU PHOTO IND15 citations74
US4650176AMar 17, 1987
Automatic sheet reversing apparatus
KONISHIROKU PHOTO IND13 citations72
US4135806AJan 23, 1979
Power transmission control mechanism for use in the copying apparatus
KONISHIROKU PHOTO IND2 citations57
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6222806B1Apr 24, 2001
Information storing disk, reproduction apparatus, and reproduction method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD238 citations99
US4425637AJan 10, 1984
Optical recording apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US6392984B2May 21, 2002
Information storing disk, reproduction apparatus, and reproduction method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US4002840AJan 11, 1977
Angle-modulated signal transmission system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52