Inventor

Yukio Yamasaki

Inventor

Daito, JP

Overview

2002–2012

Patent span

Electricity

Primary field (CPC H)

Patents· 20 as inventor

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

H01Sprimary

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light51%

B82YSpecific uses or applications of nanostructures38%

G11BInformation storage based on relative movement between record carrier and transducer5%

H10HInorganic light-emitting semiconductor devices having potential barriers5%

PatentTitleYear

8,124,431'Nitride semiconductor laser device and method of producing the same'2012 8,059,691'Nitride semiconductor laser device and method of producing the same'2011 8,031,751'Nitride semiconductor laser device'2011 7,804,878'Nitride semiconductor laser device and method of producing the same'2010 7,724,793'Nitride semiconductor laser element and fabrication method thereof'2010 7,421,000'Semiconductor laser device'2008 7,372,885'Semiconductor laser device and optical information recording apparatus provided therewith'2008 7,356,059'Nitride semiconductor laser device and semiconductor optical device'2008 7,177,336'Semiconductor laser device'2007 7,167,489'GaN-based semiconductor laser device'2007 7,142,575'Semiconductor laser element and optical data recording device'2006 7,041,523'Method of fabricating nitride semiconductor device'2006 6,891,201'Nitride semiconductor laser element and optical device containing it'2005 6,873,635'Nitride semiconductor laser device and optical information reproduction apparatus using the same'2005 6,865,201'Semiconductor laser device, method of fabricating the same and optical information reproduction apparatus'2005 6,737,678'Nitride semiconductor device and fabrication method thereof'2004 6,711,193'Semiconductor laser device and method of manufacturing the same'2004 6,670,647'Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting element'2003 6,556,603'Nitride-contained semiconductor laser element and optical information reproducing device'2003 6,493,367'Semiconductor laser device and optical information reproduction apparatus'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2012Patents assigned to SHARP KK (20)· patent assignee history

2002–2003Based in Tenri, JP· patent location history

2003Based in Nara, JP· patent location history

2004–2012Based in Daito, JP· patent location history

2004–2006Based in Daitou, JP· patent location history

2008Based in Shijyonawate, JP· patent location history

2011–2012Patents assigned to YAMASAKI YUKIO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	20	2002–2012
YAMASAKI YUKIOself	2	2011–2012

Locations

Location	Patents	Span
Daito, JP	14	2004–2012
Daitou, JP	2	2004–2006
Tenri, JP	2	2002–2003
Shijyonawate, JP	1	2008
Nara, JP	1	2003