Inventor

Yasushi Karasawa

Inventor

Shiojiri, JP

Overview

10→

Patents

1996–2014

Patent span

Performing operations

Primary field (CPC B)

Patents· 10 as inventor

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

H10Kprimary

H10KOrganic electric solid-state devices28%

B41JTypewriters17%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

Y10TTechnical subjects covered by former us classification11%

B23KSoldering or unsoldering6%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%

C23CCoating metallic material6%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application6%

PatentTitleYear

8,684,549'Illumination device and display apparatus'2014 8,220,943'Illumination device and display apparatus'2012 7,355,337'Display panel, electronic apparatus with the same, and method of manufacturing the same'2008 7,164,228'Display panel and electronic apparatus with the same'2007 7,116,045'Display panel, electronic apparatus with the same, and method of manufacturing the same'2006 6,821,716'Porous structure, ink jet recording head, methods of their production, and ink jet recorder'2004 6,764,745'Structural member superior in water repellency and method for manufacturing the same'2004 6,467,876'Porous structure, ink-jet recording head, methods of their production, and ink jet recorder'2002 6,183,883'Brazing or soldering material and manufacturing method therefor'2001 5,502,470'Ink jet recording head and process for producing the same'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2014Patents assigned to SEIKO EPSON CORP (10)· patent assignee history

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

2006–2014Based in Shiojiri, JP· patent location history

2012–2014Patents assigned to IKEHARA TADAYOSHI (2)· patent assignee history

2012–2014Patents assigned to KARASAWA YASUSHI (2)· patent assignee history

2012–2014Patents assigned to KOMA NORIO (2)· patent assignee history

2012–2014Patents assigned to TANASE KENJI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	10	1996–2014
IKEHARA TADAYOSHI	2	2012–2014
KARASAWA YASUSHIself	2	2012–2014
KOMA NORIO	2	2012–2014
TANASE KENJI	2	2012–2014

Locations

Location	Patents	Span
Shiojiri, JP	5	2006–2014
Suwa, JP	5	1996–2004