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Inventor

Yasuhiro Kawata

Inventor
Anan-shi, JP

Overview

11→
Patents
1987–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 11 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 light38%
G11CStatic stores19%
H02JElectric power networks13%
B82YSpecific uses or applications of nanostructures6%
G01RMeasuring electric variables6%
G05FSystems for regulating electric or magnetic variables6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
PatentTitleYear
9,735,548'Semiconductor laser element and semiconductor laser device'20179,692,208'Method of manufacturing semiconductor device'20179,553,425'Methods of manufacturing semiconductor laser element and semiconductor laser device'20179,318,874'Semiconductor device and method of manufacturing semiconductor device'20169,225,146'Semiconductor laser device'20158,995,492'Semiconductor laser element'20156,877,118'Memory testing method and memory testing apparatus'20055,841,783'Fail address analysis and repair system for semiconductor test'19985,604,756'Testing device for concurrently testing a plurality of semiconductor memories'19975,237,208'Apparatus for parallel operation of triport uninterruptable power source devices'19934,665,322'Uninterruptible polyphase AC power supply'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1993Patents assigned to NISHIMU DENSHI KOGYO KK (2)· patent assignee history
1987–1993Based in Saga, JP· patent location history
1997–2005Patents assigned to ADVANTEST CORP (3)· patent assignee history
1997Based in Gyoda, JP· patent location history
1998–2005Based in Tokyo, JP· patent location history
2015–2017Patents assigned to NICHIA CORP (6)· patent assignee history
2015–2016Patents assigned to KAWATA YASUHIRO (2)· patent assignee history
2015–2016Patents assigned to MICHIUE ATSUO (2)· patent assignee history
2015–2017Based in Anan-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NICHIA CORP62015–2017
ADVANTEST CORP31997–2005
KAWATA YASUHIROself22015–2016
MICHIUE ATSUO22015–2016
NISHIMU DENSHI KOGYO KK21987–1993
Locations
LocationPatentsSpan
Anan-shi, JP62015–2017
Tokyo, JP21998–2005
Saga, JP21987–1993
Gyoda, JP11997