Inventor

Yoshihiro Konishi

Inventor

Sagamihara, JP

Overview

46→

Patents

1977–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 46 as inventor

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

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems16%

H01PWaveguides14%

H02JElectric power networks6%

A23DEdible oils or fats, e.g. margarines, shortenings or cooking oils5%

H03HImpedance networks, e.g. resonant circuits5%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%

H05KPrinted circuits4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%

F16GBelts, cables, or ropes, predominantly used for driving purposes3%

PatentTitleYear

10,840,825Voltage balance control method and device for three-phase DC-AC inverter2020 10,666,131Dead-time voltage compensation apparatus and dead-time voltage compensation method2020 10,570,990Endless flat belt and method for manufacturing the same2020 10,103,647Sensorless measurement method and device for filter capacitor current by using a state observer2018 10,029,286Wiper and method of manufacturing the same2018 9,906,119'Method of ripple-compensation control and electrical energy conversion device using the same'2018 9,614,460'Voltage compensating method for converter'2017 8,432,709'DC-to-AC power inverting apparatus for photovoltaic modules'2013 8,149,603'Resonance circuit for DC-link voltage control in DC-to-AC inverter'2012 8,118,966'Method for producing joined belt'2012 8,071,521'Liquid detergent composition'2011 8,059,434'Power conversion device and control method thereof'2011 7,990,745'Apparatus for controlling H-bridge DC-AC inverter'2011 7,869,230'Resonance circuit for use in H-bridge DC-DC converter'2011 7,714,463'Device for controlling single-phase power conditioner for renewable energy system'2010 7,612,530'Bridge battery voltage equalizer'2009 7,522,437'Inverter circuit and control circuit thereof'2009 7,485,829'Method of producing solid wire for welding'2009 7,440,300'Transformerless power conversion circuit for grid-connected power generation systems'2008 7,041,328'Acid oil-in-water emulsified composition'2006 6,983,826'Elevator drive belt'2006 6,764,707'Water-in-oil type emulsified fat and/or oil composition'2004 6,635,777'Acid oil-in-water emulsified composition'2003 6,484,547'Sheet metal member and method of manufacturing the member'2002 6,236,285'Lumped element circulator having a plurality of separated operation bands'2001 5,962,058'Foamable oil-in-water emulsion'1999 5,841,067'Housing for electronic apparatus and method of damping unwanted radiation of electromagnetic waves'1998 5,568,101'Distributed constant type multiple-line circuit'1996 5,539,148'Electronic apparatus case having an electro-magnetic wave shielding structure'1996 5,475,873'Rectification feedback high frequency circuit arrangement including an adaptive filter'1995 5,424,695'Ultra-wide frequency range constant phase difference power distributor'1995 5,416,450'Ferrite loaded constant impedance element and a constant phase circuit using it in an ultra-wide frequency range'1995 5,410,285'Quasi-TEM mode dielectric filter'1995 5,374,779'Electro-magnetic wave shielding structure'1994 5,319,325'S/M enhancer'1994 5,317,289'Frequency-fluctuating interference removed receiver'1994 5,223,807'Frequency-fluctuating interference removed receiver'1993 5,216,394'Dielectric multi-line resonator including a coupling conductor line mainly inductively coupled to a resonator conductor line'1993 5,168,248'Ferri-magnetic film frequency modulator'1992 4,963,844'Dielectric waveguide-type filter'1990 4,837,535'Resonant wave filter'1989 4,823,097'Microwave directional coupler'1989 4,757,286'Microwave filter device'1988 4,563,651'FM Demodulator with variable bandpass filter'1986 4,487,842'Low-loss microwave dielectric material'1984 4,028,650'Microwave circuits constructed inside a waveguide'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1998Based in Sagamihara, JP· patent location history

1988–1996Patents assigned to UNIDEN KK (16)· patent assignee history

1999–2011Patents assigned to KAO CORP (5)· patent assignee history

2003–2011Based in Wakayama, JP· patent location history

2006–2020Patents assigned to NITTA CORP (4)· patent assignee history

2006–2020Based in Yamatokohriyama, JP· patent location history

2008–2020Patents assigned to IND TECH RES INST (14)· patent assignee history

2008–2020Based in Hsinchu, TW· patent location history

2011–2013Patents assigned to KONISHI YOSHIHIRO (5)· patent assignee history

2012Based in Yamatokoriyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIDEN KK	16	1988–1996
IND TECH RES INST	14	2008–2020
KAO CORP	5	1999–2011
KONISHI YOSHIHIROself	5	2011–2013
NITTA CORP	4	2006–2020

Locations

Location	Patents	Span
Sagamihara, JP	19	1977–1998
Hsinchu, TW	14	2008–2020
Wakayama, JP	4	2003–2011
Yamatokohriyama, JP	3	2006–2020
Yamatokoriyama, JP	1	2012