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Inventor

Kazuaki Seki

Inventor
Futtsu, JP

Overview

9→
Patents
1987–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C30Bprimary
C30BSingle-crystal growth50%
G01GWeighing17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H01LSemiconductor devices8%
H10DInorganic electric semiconductor devices8%
PatentTitleYear
10,968,535SiC single crystal production method and production apparatus202110,640,885SiC single crystal production method and production apparatus202010,145,025Method for producing SiC single crystal201810,119,199Method for producing SiC single crystal201810,081,883SiC single crystal production method and production apparatus201810,066,316Method for producing silicon carbide single-crystal ingot and silicon carbide single-crystal ingot20189,822,468'Method for producing SiC single crystal'20174,981,187'Load cell weighing apparatus'19914,700,792'Indication method in balance with item indicator'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to TOKYO ELECTRIC CO LTD (2)· patent assignee history
1987–1991Based in Shizuoka, JP· patent location history
2017–2021Patents assigned to TOYOTA MOTOR CO LTD (5)· patent assignee history
2017–2018Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2017–2018Based in Tokyo, JP· patent location history
2018Patents assigned to SHOWA DENKO KK (1)· patent assignee history
2018–2021Based in Futtsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD52017–2021
NIPPON STEEL & SUMITOMO METAL CORP22017–2018
TOKYO ELECTRIC CO LTD21987–1991
SHOWA DENKO KK12018
Locations
LocationPatentsSpan
Futtsu, JP42018–2021
Tokyo, JP32017–2018
Shizuoka, JP21987–1991