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Inventor

Yasuyuki Sakaguchi

Inventor
Chichibu, JP

Overview

8→
Patents
1997–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C30Bprimary
C30BSingle-crystal growth22%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
C01CAmmonia9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
C23CCoating metallic material9%
H10DInorganic electric semiconductor devices9%
H10HInorganic light-emitting semiconductor devices having potential barriers9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
8,823,015'Silicon carbide epitaxial wafer and manufacturing method therefor'20148,513,674'Semiconductor device and method of manufacturing the same'20137,993,453'Method for producing silicon carbide single crystal'20117,371,281'Silicon carbide single crystal and method and apparatus for producing the same'20087,029,940'Ammonia for use in manufacture of GaN-type compound semiconductor and method for manufacturing GaN-type compound semiconductor'20066,719,842'Ammonia for use in manufacture of GaN-type compound semiconductor and method for manufacturing GaN-type compound semiconductor'20045,744,829'A1GaInP light emitting diode'19985,656,829'Semiconductor light emitting diode'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2014Patents assigned to SHOWA DENKO KK (8)· patent assignee history
1997–2014Based in Chichibu, JP· patent location history
2004–2006Based in Saitama, JP· patent location history
2008–2011Based in Chiba, JP· patent location history
2013–2014Patents assigned to SAKAGUCHI YASUYUKI (2)· patent assignee history
2014Patents assigned to MIYASAKA YOSHIHIKO (1)· patent assignee history
2014Patents assigned to MOMOSE KENJI (1)· patent assignee history
2014Patents assigned to ODAWARA MICHIYA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK81997–2014
SAKAGUCHI YASUYUKIself22013–2014
MIYASAKA YOSHIHIKO12014
MOMOSE KENJI12014
ODAWARA MICHIYA12014
Locations
LocationPatentsSpan
Chichibu, JP41997–2014
Chiba, JP22008–2011
Saitama, JP22004–2006