Inventor

Masami Kuroda

Inventor

Kawasaki, JP

Overview

1989–2020

Patent span

Physics

Primary field (CPC G)

Patents· 50 as inventor

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

G03Gprimary

G03GElectrography40%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments21%

C07DHeterocyclic compounds15%

G11CStatic stores5%

B23KSoldering or unsoldering4%

H05KPrinted circuits3%

H10KOrganic electric solid-state devices3%

B82YSpecific uses or applications of nanostructures1%

C07CAcyclic or carbocyclic compounds1%

C10MLubricating compositions1%

PatentTitleYear

10,790,019Semiconductor storage device and information processing apparatus2020 10,068,603Magnetic recording medium2018 9,919,372'Heat-bonding apparatus and method of manufacturing heat-bonded products'2018 9,730,335'Heat-bonding apparatus and method of manufacturing heat-bonded products'2017 9,579,740'Thermal processing apparatus'2017 9,156,101'Soldering apparatus and manufacturing method of soldered product'2015 8,724,415'Storage control device controlling refresh frequency based on temperature'2014 8,659,018'Semiconductor device and integrated semiconductor device'2014 8,321,607'Semiconductor memory device and multilayered chip semiconductor device'2012 7,786,470'Switching element'2010 7,645,777'Switching device'2010 6,933,091'Photoconductor for electrophotography and quinomethane compound'2005 6,852,458'Electrophotographic photoreceptor, and electrophotographic apparatus using the same'2005 6,825,359'Quinomethane compounds'2004 6,472,514'Electron transport compounds'2002 6,268,095'Photoconductor for electrophotography'2001 5,935,746'Electrophotographic photosensitive body containing butadiene-derivative'1999 5,888,685'Electrophotographic photoconductor'1999 5,686,212'Photoconductor for electrophotography containing distyryl compound'1997 RE035475'Photosensitive member for electrophotography with thiophene containing moiety on charge transport compound'1997 5,292,608'Bisazo photoconductor for electrophotography'1994 5,292,602'Bisazo photoconductor for electrophotography'1994 5,286,590'Bisazo photoconductor for electrophotography'1994 5,275,898'Bisazo photoconductor for electrophotography'1994 5,266,430'Photoconductor for electrophotography'1993 5,252,416'Photoconductor for electrophotography'1993 5,213,925'Photoconductor for electrophotography'1993 5,198,318'Bisazo photoconductor for electrophotography'1993 5,178,981'Photoconductor for electrophotography with a charge generating substance comprising a polycyclic and azo compound'1993 5,158,848'Photoconductor for electrophotography'1992 5,134,049'Photoconductor for electrophotography'1992 5,132,189'Photoconductor for electrophotography'1992 5,100,750'Photoconductor for electrophotography comprises polycyclo heterocyclic charge transport compound containing N and S'1992 5,096,794'Bisazo photoconductor for electrophotography'1992 5,089,365'Photosensitive member for electrophotography with thiophene containing moiety on charge transport compound'1992 5,087,541'Bisazo photoconductor for electrophotography'1992 4,988,594'Diazo photoconductor for electrophotography'1991 4,985,325'Photoconductor for electrophotography containing hydrazone'1991 4,971,876'Photoconductor for electrophotography'1990 4,957,837'Photosensitive member for electrophotography containing hydrazone in charge transport layer'1990 4,956,250'Azulenium photoconductor for electrophotography'1990 4,956,277'Photoconductor comprising charge transporting hydrazone compounds'1990 4,950,572'Photoconductor for electrophotography with thienyl group containing charge transport material'1990 4,948,689'Photoconductor for electrophotography having an amino charge transport compound'1990 4,929,525'Photoconductor for electrophotography containing azo or disazo compound'1990 4,917,981'Photosensitive member for electrophotography'1990 4,910,110'Photoconductor including hydrazone compound in a photoconductive layer'1990 4,877,703'Photoconductor for electrophotography having a squarylium charge generating dye'1989 4,861,691'Electrophotographic photosensitive material containing hydrazone compound'1989 4,861,692'Electrophotographic photosensitive material containing thiophene compound'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2018Patents assigned to FUJI ELECTRIC CO LTD (35)· patent assignee history

1989–1997Based in Kawasaki, JP· patent location history

1989–2018Based in Kanagawa, JP· patent location history

2001–2005Patents assigned to FUJI ELECTRIC IMAGING DEVICE (5)· patent assignee history

2010–2020Based in Tokyo, JP· patent location history

2010Based in Zushi, JP· patent location history

2012–2018Patents assigned to KURODA MASAMI (4)· patent assignee history

2012–2014Patents assigned to SONY CORP (3)· patent assignee history

2015–2018Patents assigned to ORIGIN ELECTRIC (4)· patent assignee history

2017Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI ELECTRIC CO LTD	35	1989–2018
FUJI ELECTRIC IMAGING DEVICE	5	2001–2005
KURODA MASAMIself	4	2012–2018
ORIGIN ELECTRIC	4	2015–2018
SONY CORP	3	2012–2014

Locations

Location	Patents	Span
Kawasaki, JP	23	1989–1997
Kanagawa, JP	16	1989–2018
Tokyo, JP	8	2010–2020
Saitama, JP	1	2017
Zushi, JP	1	2010