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Inventor

Akihito Fujii

Inventor
Osaka, JP

Overview

9→
Patents
1991–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C04Bprimary
C04BLime, magnesia35%
G02BOptical elements, systems or apparatus20%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
Y10TTechnical subjects covered by former us classification10%
B28BShaping clay or other ceramic compositions5%
B64CAeroplanes5%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition5%
G06FElectric digital data processing5%
H01QAntennas, i.e. radio aerials5%
PatentTitleYear
8,456,769'Lens unit and vehicle-mounted infrared lens unit'20138,147,949'Method of manufacturing ceramics molded component and mold employed therefor as well as ceramic component'20128,097,550'Spinel sintered body, light transmitting window and light transmitting lens'20127,741,238'Spinel sintered body, light transmitting window and light transmitting lens'20106,091,375'Radome'20005,658,504'Method of producing an infrared transmitting barium fluoride sintered body'19975,502,015'Infrared transmitting barium fluoride sintered body'19965,248,961'Track ball'19935,075,267'Light transmitting yttria sintered body and its preparation'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2013Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (8)· patent assignee history
1991–1996Based in Itami, JP· patent location history
1993Patents assigned to HOSIDEN CORP (1)· patent assignee history
1993Based in Maebashi, JP· patent location history
1997Based in Hyogo, JP· patent location history
2000Based in Nishinomiya, JP· patent location history
2010–2013Based in Osaka, JP· patent location history
2012–2013Patents assigned to FUJII AKIHITO (3)· patent assignee history
2012Patents assigned to HASEGAWA MASATO (1)· patent assignee history
2013Patents assigned to IZUMI TATSUYA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES81991–2013
FUJII AKIHITOself32012–2013
HASEGAWA MASATO12012
HOSIDEN CORP11993
IZUMI TATSUYA12013
Locations
LocationPatentsSpan
Osaka, JP42010–2013
Itami, JP21991–1996
Nishinomiya, JP12000
Hyogo, JP11997
Maebashi, JP11993