Inventor
TAKAHASHI MUTSUMI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI MUTSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO KEIKI KK
7 patentsUS4673254AJun 16, 1987
Back-reflection type light diffusing apparatus
TOKYO KEIKI KK93 citations92
US4841308AJun 20, 1989
Slotted waveguide antenna assembly
TOKYO KEIKI KK22 citations81
US4829312AMay 9, 1989
Slotted waveguide antenna assembly
TOKYO KEIKI KK14 citations73
USD277006SJan 1, 1985
Optical character reader
TOKYO KEIKI KK13 citations70
US4272674AJun 9, 1981
Check digit calculator
TOKYO KEIKI KK8 citations70
US4265173AMay 5, 1981
Numbering machine with check digit function
TOKYO KEIKI KK6 citations60
US4419572ADec 6, 1983
Check digit calculator
TOKYO KEIKI KK3 citations59
RICOH KK
3 patentsUS7156331B2Jan 2, 2007
Fluidized bed pulverizing and classifying apparatus, and method of pulverizing and classifying solids
RICOH KK21 citations91
US7032849B2Apr 25, 2006
Fluidized bed pulverizing and classifying apparatus, and method of pulverizing and classifying solids
RICOH KK17 citations91
US7753296B2Jul 13, 2010
Pulverization/classification apparatus for manufacturing powder, and method for manufacturing powder using the pulverization/classification apparatus
RICOH KK8 citations84
TOYOTA JIDOSHOKKI KK
2 patentsUS10446838B2Oct 15, 2019
Negative electrode for nonaqueous secondary battery and nonaqueous secondary battery, negative electrode active material and method for producing same, complex including nano silicon, carbon layer, and cationic polymer layer, and method for producing complex formed of nano silicon and carbon layer
TOYOTA JIDOSHOKKI KK1 citations61
US10230100B2Mar 12, 2019
Negative-electrode active material, production process for the same and electric storage apparatus
TOYOTA JIDOSHOKKI KK0 citations39