Inventor

Toshiaki Narusawa

Inventor

Sagamihara, JP

Overview

19→

Patents

1976–2006

Patent span

Physics

Primary field (CPC G)

Patents· 19 as inventor

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

G03Gprimary

G03GElectrography28%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

C09KMaterials for miscellaneous applications, not provided for elsewhere15%

H10KOrganic electric solid-state devices10%

C07CAcyclic or carbocyclic compounds8%

Y10TTechnical subjects covered by former us classification5%

B41JTypewriters3%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

PatentTitleYear

7,083,867'Peropyrene compound, organic electroluminescent element and organic electroluminescent display'2006 6,805,977'Condensed eight-ring aromatic compound, and organic EL element and organic EL display using the same'2004 6,803,126'Organic EL element and organic EL display'2004 6,783,872'Dinaphtopyrene compound, and organic EL element and organic EL display using the same'2004 5,943,112'Liquid crystal display device and its fabricating method'1999 5,698,320'Image forming device'1997 5,587,774'Cleanerless electrographic imaging device'1996 4,948,427'Process for preparing ink for ink jet printer'1990 4,849,317'Magnetic brush developer for electrophotography'1989 4,699,863'Electrophotographic flash fixation process employing toner having improved light absorption properties and toner therefor'1987 4,555,466'Developer comprising a carrier coated with Fe.sub.3 O.sub.4 dispersed in a butadiene polymer, and a toner'1985 4,547,309'Storage-type liquid crystal composition'1985 4,522,909'Process for preparing electrostatic developer'1985 4,513,075'Developer materials for electrostatic images'1985 4,455,361'Process for preparing developer materials for electrostatic images'1984 4,454,213'Organic photosensitive material for electrophotography'1984 4,362,801'Copper phthalocyanine photosensitive material for electrophotography with binder and an oxadiazole'1982 4,352,877'Electrophotographic developing process using flash fixation and toner therefor'1982 3,997,463'Nematic liquid crystal composition for electro-optical displays'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2004Patents assigned to FUJITSU LTD (18)· patent assignee history

1976–1990Based in Sagamihara, JP· patent location history

1996–2004Based in Kawasaki, JP· patent location history

1999Based in Kawsaki, JP· patent location history

2006Patents assigned to FUJI PHOTO FILM CO LTD (1)· patent assignee history

2006Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	18	1976–2004
FUJI PHOTO FILM CO LTD	1	2006

Locations

Location	Patents	Span
Sagamihara, JP	12	1976–1990
Kawasaki, JP	5	1996–2004
Kanagawa, JP	1	2006
Kawsaki, JP	1	1999