Inventor

Harufusa Kondoh

Inventor

Hyogo, JP

Overview

1990–2006

Patent span

Electricity

Primary field (CPC H)

Patents· 41 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Kprimary

H03KPulse technique25%

H04LTransmission of digital information, e.g. telegraphic communication24%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses15%

H04QSelecting8%

G06FElectric digital data processing4%

H03MCoding4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

G05FSystems for regulating electric or magnetic variables3%

H03FAmplifiers3%

G01RMeasuring electric variables1%

PatentTitleYear

6,987,825'Digital synchronous circuit for stably generating output clock synchronized with input data'2006 6,751,745'Digital synchronization circuit provided with circuit for generating polyphase clock signal'2004 6,646,486'Semiconductor integrated circuit'2003 6,617,881'Semiconductor integrated circuit'2003 6,518,790'Semiconductor integrated circuit having circuit for transmitting input signal'2003 6,504,404'Semiconductor integrated circuit'2003 6,396,888'Digital data transmission system'2002 6,271,697'Semiconductor integrated circuit device'2001 6,195,361'Network communication device'2001 5,994,934'Delay locked loop circuit'1999 5,883,534'Waveform shaping device and clock supply apparatus'1999 5,874,835'High impedance detecting circuit and interface circuit'1999 5,793,823'Synchronization circuit that captures and phases an external signal'1998 5,770,978'Current type ring oscillator, and voltage-controlled oscillator having current type ring oscillator'1998 5,732,087'ATM local area network switch with dual queues'1998 5,724,562'Clock-synchronized C-element group for controlling data transfer'1998 5,663,668'Semiconductor integrated circuit device'1997 5,661,417'Bus system and bus sense amplifier with precharge means'1997 5,656,954'Current type inverter circuit, current type logic circuit, current type latch circuit, semiconductor integrated circuit, current type ring oscillator, voltage-controlled oscillator and PLL circuit'1997 5,649,119'Data queuing apparatus'1997 5,594,369'Open-drain fet output circuit'1997 5,594,392'Ring oscillator having large load driving capability for use as VCO in phase locked loops'1997 5,592,109'Phase comparator and PLL circuit'1997 5,555,278'Semiconductor circuit having phase lock function'1996 5,535,202'Priority processing of ATM cells using shift register stages'1996 5,504,741'Data queuing apparatus and ATM cell switch based on shifting and searching'1996 5,412,380'Electronic crosspoint switching device operating at a high signal transmission rate'1995 5,406,136'High speed ECL output circuit having reduced power consumption'1995 5,379,395'Semiconductor integrated circuit for central processor interfacing which enables random and serial access to single port memories'1995 5,371,421'Low power BiMOS amplifier and ECL-CMOS level converter'1994 5,347,270'Method of testing switches and switching circuit'1994 5,347,233'PLL circuit apparatus and phase difference detecting circuit apparatus'1994 5,321,399'Parallel/serial conversion circuit, serial/parallel conversion circuit and system including such circuits'1994 5,235,222'Output circuit and interface system comprising the same'1993 5,199,051'Data length detection device for detecting length of frame data defined by flags'1993 5,185,538'Output circuit for semiconductor integrated circuits having controllable load drive capability and operating method thereof'1993 5,180,995'Temperature-compensated ring oscillator circuit formed on a semiconductor substrate'1993 5,093,845'Signal generator for generating pulse signals having particular waveforms for data transmission and method of operation'1992 5,050,190'Signal detection circuit not affected by minute voltage fluctuations contained in input signal and operation method therefor'1991 4,990,915'Signal processing device such as a digital filter utilizing redundant binary expression and operating method therefor'1991 4,965,469'Input circuit operable under different source voltages in semiconductor integrated circuit'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2006Patents assigned to MITSUBISHI ELECTRIC CORP (40)· patent assignee history

1990–2006Based in Hyogo, JP· patent location history

1994–1997Based in Itami, JP· patent location history

1998Patents assigned to MITSUBISHI ELECTRIC ENG (1)· patent assignee history

1998Patents assigned to MITSUBISHI ELECTRIC INF TECH (1)· patent assignee history

1998–2003Based in Tokyo, JP· patent location history

1998Based in Ikeda, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	40	1990–2006
MITSUBISHI ELECTRIC ENG	1	1998
MITSUBISHI ELECTRIC INF TECH	1	1998

Locations

Location	Patents	Span
Hyogo, JP	27	1990–2006
Tokyo, JP	9	1998–2003
Itami, JP	4	1994–1997
Ikeda, JP	1	1998