Inventor

Hiromi Ogawa

Inventor

Yokohama, JP

Overview

7→

Patents

1982–1996

Patent span

Electricity

Primary field (CPC H)

Patents· 7 as inventor

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

H05Kprimary

H05KPrinted circuits24%

Y10TTechnical subjects covered by former us classification24%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1019%

C03CChemical composition of glasses, glazes or vitreous enamels10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

B23DPlaning5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

H01BCables5%

PatentTitleYear

5,506,721'External modulator for optical communication'1996 5,015,314'Method for production of ceramic circuit board'1991 4,761,325'Multilayer ceramic circuit board'1988 4,739,683'Apparatus for cutting material sheet into trapezoidal pieces'1988 4,679,320'Process for producing multilayer ceramic circuit board with copper'1987 4,642,148'Method for producing a multilayer ceramic circuit board'1987 4,346,516'Method of forming a ceramic circuit substrate'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1991Patents assigned to FUJITSU LTD (5)· patent assignee history

1982–1991Based in Yokohama, JP· patent location history

1988Patents assigned to SUMIKURA IND CO LTD (1)· patent assignee history

1988Based in Hamamatsu, JP· patent location history

1996Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history

1996Based in Kashima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	5	1982–1991
FURUKAWA ELECTRIC CO LTD	1	1996
SUMIKURA IND CO LTD	1	1988

Locations

Location	Patents	Span
Yokohama, JP	5	1982–1991
Kashima, JP	1	1996
Hamamatsu, JP	1	1988