Inventor
UDAGAWA MASAHARU
JP16 patents
⚠️ This page may combine multiple inventors who share the name “UDAGAWA MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
12 patentsUS5739544AApr 14, 1998
Quantization functional device utilizing a resonance tunneling effect and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD139 citations98
US5543351AAug 6, 1996
Method of producing electrically insulated silicon structure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD86 citations96
US7251462B2Jul 31, 2007
Modulation circuit device, modulation method and radio communication device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations92
US5486706AJan 23, 1996
Quantization functional device utilizing a resonance tunneling effect and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US7379715B2May 27, 2008
Transmitter apparatus and method using polar modulation with signal timing adjustment
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations91
US7333780B2Feb 19, 2008
Polar modulation transmission apparatus and radio communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations82
US5405454AApr 11, 1995
Electrically insulated silicon structure and producing method therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations82
US5562802AOct 8, 1996
Method of producing a quantum device which utilizes the quantum effect
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US5480492AJan 2, 1996
Method for removing organic or inorganic contaminant from silicon substrate surface
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5444267AAug 22, 1995
Quantum device utilizing the quantum effect
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5514614AMay 7, 1996
Method for producing quantization functional device utilizing a resonance tunneling effect
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations71
US5422306AJun 6, 1995
Method of forming semiconductor hetero interfaces
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations70