Inventor

Chikuni Kawakami

Inventor

Asaka, JP

Overview

1986–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 25 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television33%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them19%

H05BElectric heating14%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%

G11BInformation storage based on relative movement between record carrier and transducer7%

G01RMeasuring electric variables5%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%

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 systems2%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

10,326,970Electronic flash, electronic camera and light emitting head2019 10,250,863Electronic flash, electronic camera and light emitting head2019 9,479,751'Electronic flash, electronic camera and light emitting head'2016 8,675,124'Electronic flash, electronic camera and light emitting head'2014 8,634,021'Electronic flash, electronic camera and light emitting head'2014 8,421,910'Electronic flash, electronic camera and light emitting head'2013 7,769,289'Camera and strobe device'2010 7,742,098'Digital camera with light emitting diode flash device'2010 7,734,168'Lighting apparatus, electronic flash apparatus and camera'2010 7,683,966'Digital camera having an electronic flash device using LED as a flash light source'2010 7,683,967'Digital camera having an electronic flash device LED as a flashlight source'2010 7,486,333'Battery remaining amount warning apparatus'2009 7,372,499'Electronic flash, electronic camera and light emitting head'2008 7,224,894'Lighting apparatus, electronic flash apparatus and camera'2007 7,106,378'Electronic flash, electronic camera and light emitting head'2006 7,071,984'Imaging device for digital camera having photodiodes disposed over light shielding membrane for sensing brightness'2006 6,922,151'Battery remaining amount warning circuit'2005 6,909,288'Battery remaining amount warning circuit'2005 4,864,435'Magnetic record erase circuit'1989 4,827,357'Apparatus for copying modulated video signals from recording medium to recording medium including color and chroma correction'1989 4,719,522'Method of magnetic recording'1988 4,689,662'Method of recording and reproducing line sequential color video signal'1987 4,660,102'Electronic still camera capable of editing picture recorded on disk'1987 4,618,812'Direct current power control on selectable voltage step-up and step-down'1986 4,598,243'Direct-current power supply with alarm indicator'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2006Patents assigned to FUJI PHOTO FILM CO LTD (11)· patent assignee history

1986–1987Based in Kaisei-machi, JP· patent location history

1987–1988Based in Kanagawa, JP· patent location history

1989Based in Tokyo, JP· patent location history

2005–2019Based in Asaka, JP· patent location history

2006Based in Saitama, JP· patent location history

2007–2019Patents assigned to FUJIFILM CORP (14)· patent assignee history

2013–2014Patents assigned to KAWAKAMI CHIKUNI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJIFILM CORP	14	2007–2019
FUJI PHOTO FILM CO LTD	11	1986–2006
KAWAKAMI CHIKUNIself	3	2013–2014

Locations

Location	Patents	Span
Asaka, JP	17	2005–2019
Kaisei-machi, JP	3	1986–1987
Tokyo, JP	2	1989
Kanagawa, JP	2	1987–1988
Saitama, JP	1	2006