Inventor
OHTA AKIRA
JP47 patents
⚠️ This page may combine multiple inventors who share the name “OHTA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
20 patentsUS6177841B1Jan 23, 2001
High frequency power amplifier
MITSUBISHI ELECTRIC CORP88 citations97
US5682114AOct 28, 1997
Variable delay circuit, ring oscillator, and flip-flop circuit
MITSUBISHI ELECTRIC CORP33 citations93
US7061329B2Jun 13, 2006
Semiconductor device having balanced circuit for use in high frequency band
MITSUBISHI ELECTRIC CORP25 citations92
US5859554AJan 12, 1999
Variable delay circuit
MITSUBISHI ELECTRIC CORP21 citations92
US7310019B2Dec 18, 2007
High frequency power amplifier
MITSUBISHI ELECTRIC CORP11 citations84
US7501897B2Mar 10, 2009
High-power amplifier
MITSUBISHI ELECTRIC CORP12 citations83
US6876258B2Apr 5, 2005
High-frequency amplifier and radio transmission device with circuit scale and current consumption reduced to achieve high efficiency
MITSUBISHI ELECTRIC CORP9 citations74
US6833771B1Dec 21, 2004
High efficiency amplifier with amplifier element, radio transmission device therewith and measuring device therefor
MITSUBISHI ELECTRIC CORP9 citations74
US6759908B2Jul 6, 2004
High frequency power amplifier
MITSUBISHI ELECTRIC CORP10 citations73
US5834960ANov 10, 1998
Semiconductor device
MITSUBISHI ELECTRIC CORP9 citations73
US5821793AOct 13, 1998
Variable delay circuit and a variable pulse width circuit
MITSUBISHI ELECTRIC CORP13 citations73
US5668491ASep 16, 1997
Variable delay circuit
MITSUBISHI ELECTRIC CORP9 citations73
US5656956AAug 12, 1997
Logic gate circuit and digital integrated circuit
MITSUBISHI ELECTRIC CORP10 citations73
US10170400B2Jan 1, 2019
Multi-finger transistor and semiconductor device
MITSUBISHI ELECTRIC CORP2 citations71
US6998943B2Feb 14, 2006
High-frequency power amplifier
MITSUBISHI ELECTRIC CORP2 citations63
US5355027AOct 11, 1994
Shift register circuit with three-input nor gates in selector circuit
MITSUBISHI ELECTRIC CORP3 citations63
US7907009B2Mar 15, 2011
High frequency amplifier
MITSUBISHI ELECTRIC CORP5 citations62
US6778020B2Aug 17, 2004
High-frequency power amplifier
MITSUBISHI ELECTRIC CORP5 citations62
US7161433B2Jan 9, 2007
High-frequency amplifier
MITSUBISHI ELECTRIC CORP4 citations61
US6600383B2Jul 29, 2003
Radio-frequency composite element
MITSUBISHI ELECTRIC CORP0 citations42
MBT HOLDING AG
4 patentsUS5661206AAug 26, 1997
Fluidity control of cementitious compositions
MBT HOLDING AG195 citations99
US6376581B1Apr 23, 2002
Cement dispersant, method for production thereof, and cement composition using the dispersant
MBT HOLDING AG106 citations98
US5880182AMar 9, 1999
Water-reducing admixtures for cementitious compositions
MBT HOLDING AG35 citations88
US5716447AFeb 10, 1998
Flowability additive
MBT HOLDING AG15 citations71
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS5393622AFeb 28, 1995
Process for production of positive electrode active material
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD159 citations99
US4595643AJun 17, 1986
Air cell electrode and process for preparing its catalyst
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations91
US4125638ANov 14, 1978
Dry cells with stainless steel current collector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5384214AJan 24, 1995
Manufacturing of zinc-alkaline batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
NIPPON STEEL CHEMICAL CO
4 patentsUS5780129AJul 14, 1998
Multi-layer blow-molded article
NIPPON STEEL CHEMICAL CO48 citations93
US5460772AOct 24, 1995
Process for multilayer blow molding
NIPPON STEEL CHEMICAL CO24 citations93
US5718927AFeb 17, 1998
Apparatus for multilayer blow molding
NIPPON STEEL CHEMICAL CO11 citations68
US5667748ASep 16, 1997
Process and apparatus for multilayer blow molding and articles blow-molded therewith
NIPPON STEEL CHEMICAL CO7 citations68