Inventor

Ryoji Iwamura

Inventor

Yokohama, JP

Overview

4→

Patents

1995–2010

Patent span

Electricity

Primary field (CPC H)

Patents· 4 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%

H05KPrinted circuits25%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%

B30BPresses in general13%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%

PatentTitleYear

7,751,007'Display device and manufacturing method thereof'2010 7,262,823'Display device and manufacturing method thereof'2007 5,480,048'Multilayer wiring board fabricating method'1996 5,468,315'Method of and apparatus for producing multilayer ceramic board'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1996Patents assigned to HITACHI LTD (2)· patent assignee history

1995–2010Based in Yokohama, JP· patent location history

2007–2010Patents assigned to HITACHI DISPLAYS LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI DISPLAYS LTD	2	2007–2010
HITACHI LTD	2	1995–1996

Locations

Location	Patents	Span
Yokohama, JP	4	1995–2010