Inventor
TANAKA TSUNEO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TSUNEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS4823908AApr 25, 1989
Directional loudspeaker system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD192 citations99
US5025474AJun 18, 1991
Speaker system with image projection screen
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD146 citations97
US4329699AMay 11, 1982
Semiconductor device and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations95
US4171234AOct 16, 1979
Method of fabricating three-dimensional epitaxial layers utilizing molecular beams of varied angles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US4071383AJan 31, 1978
Process for fabrication of dielectric optical waveguide devices
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US5493647AFeb 20, 1996
Digital signal recording apparatus and a digital signal reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations89
US5073946ADec 17, 1991
Thin speaker having an enclosure with an open portion and a closed portion
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations82
US4426556AJan 17, 1984
Electrodynamic loudspeaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations80
TOYODA MACHINE WORKS LTD
7 patentsUS4798050AJan 17, 1989
Control system for hydraulic tandem pump in motor vehicle
TOYODA MACHINE WORKS LTD61 citations96
US5046933ASep 10, 1991
Vane pump with pressure leaking groove to reduce pulsations
TOYODA MACHINE WORKS LTD26 citations92
US4577660AMar 25, 1986
Rotary servovalve
TOYODA MACHINE WORKS LTD26 citations92
US4460016AJul 17, 1984
Rotary servovalve
TOYODA MACHINE WORKS LTD27 citations92
US4452274AJun 5, 1984
Rotary valve for power steering system
TOYODA MACHINE WORKS LTD21 citations82
US4610614ASep 9, 1986
Vane pump
TOYODA MACHINE WORKS LTD9 citations74
US4799514AJan 24, 1989
Rotary servovalve for power-assisted steering system
TOYODA MACHINE WORKS LTD14 citations73
TOYO INK MFG CO
4 patentsUS4443528AApr 17, 1984
Photoconductive materials comprising nitro or cyano substituted phthalocyanine compounds for electrophotography
TOYO INK MFG CO39 citations88
US4877681AOct 31, 1989
Heat-sensitive transfer material
TOYO INK MFG CO21 citations80
US4708903ANov 24, 1987
Heat-sensitive transfer sheet
TOYO INK MFG CO11 citations67
US4925731AMay 15, 1990
Heat-sensitive transfer material
TOYO INK MFG CO2 citations60