Inventor

Kazuo Yoshikawa

Inventor

Kobe, JP

Overview

44→

Patents

1976–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 44 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification10%

G09GArrangements or circuits for control of indicating devices using static means to present variable information9%

H01JElectric discharge tubes or discharge lamps8%

H04NPictorial communication, e.g. television8%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

G02BOptical elements, systems or apparatus6%

C23CCoating metallic material5%

G11BInformation storage based on relative movement between record carrier and transducer5%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

PatentTitleYear

9,511,511'Resin-coated saw wire and cut article'2016 RE044239'Electrode and its fabrication method for semiconductor devices, and sputtering target for forming electrode film for semiconductor devices'2013 RE043590'Aluminum alloy electrode for semiconductor devices'2012 7,954,986'Vehicle light and method for manufacturing the same'2011 7,754,177'Carbon nanoballoon structure and method for preparation thereof, and electron emitter'2010 7,233,358'Autofocus adaptor'2007 7,095,443'Focusing state determining apparatus'2006 6,583,939'Auxiliary imaging lens and imaging apparatus using the same'2003 6,542,193'Optical system for TV camera with still-taking function'2003 6,452,590'Method and device for driving a display panel'2002 6,333,267'Method of manufacturing active matrix type liquid crystal display'2001 6,249,087'Method for driving a plasma display panel'2001 6,206,985'A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films'2001 6,185,044'TV lens with still-taking function'2001 6,104,546'Athermalized focal length extender for a zoom lens having a split rear image-forming group'2000 6,033,542'Electrode and its fabrication method for semiconductor devices, and sputtering target for forming electrode film for semiconductor devices'2000 5,976,641'A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films'1999 5,966,246'Zoom lens of the inner focusing type'1999 5,828,353'Drive unit for planar display'1998 5,789,088'Magnetic recording medium having a metal underlayer and a CoCr alloy magnetic thin film'1998 5,786,794'Driver for flat display panel'1998 5,777,673'Color separation prism'1998 5,514,909'Aluminum alloy electrode for semiconductor devices'1996 5,500,301'A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films'1996 5,468,305'Method of lowering permeability of difficult-to-work Co alloy'1995 5,424,124'Civil engineering and construction grade fibrous reinforcing material, method for production thereof, and civil engineering and construction material containing the reinforcing material'1995 4,961,347'Probe for ultrasonic flaw detectors'1990 4,680,430'Coordinate detecting apparatus'1987 4,637,594'Leaf spring construction'1987 4,567,470'Touch sensing device'1986 4,556,871'Touch sensing device'1985 4,512,559'Leaf spring construction'1985 4,458,244'Self shift type gas discharge panel driving system'1984 4,423,356'Self-shift type gas discharge panel'1983 4,422,722'Color separation optical system for color television camera'1983 4,370,599'Self shift type gas discharge panel'1983 4,249,104'Self shift type gas discharge panel'1981 4,190,788'Gas discharge panel'1980 4,185,229'Gas discharge panel'1980 4,164,752'Optical system for color television cameras'1979 4,147,960'Plasma display panel including shift channels and method of operating same'1979 4,139,803'Method and apparatus for detecting the location of a light detecting pen on a gas discharge display panel'1979 4,107,578'Gas discharge panel drive system'1978 3,976,363'Optical system for color television camera'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2003Patents assigned to FUJI PHOTO OPTICAL CO LTD (9)· patent assignee history

1976–2003Based in Omiya, JP· patent location history

1978–2002Patents assigned to FUJITSU LTD (16)· patent assignee history

1978–2016Based in Kobe, JP· patent location history

1985–2002Based in Kawasaki, JP· patent location history

1995–2001Patents assigned to KOBE STEEL LTD (8)· patent assignee history

1998–2007Based in Saitama, JP· patent location history

2010–2011Based in Tokyo, JP· patent location history

2012–2016Patents assigned to KOBELCO RES INST INC (3)· patent assignee history

2012–2016Patents assigned to YOSHIKAWA KAZUO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	16	1978–2002
FUJI PHOTO OPTICAL CO LTD	9	1976–2003
KOBE STEEL LTD	8	1995–2001
KOBELCO RES INST INC	3	2012–2016
YOSHIKAWA KAZUOself	3	2012–2016

Locations

Location	Patents	Span
Kobe, JP	20	1978–2016
Omiya, JP	6	1976–2003
Kawasaki, JP	6	1985–2002
Saitama, JP	4	1998–2007
Tokyo, JP	2	2010–2011