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Inventor

Yasunari Zempo

Inventor
Tsukuba, JP

Overview

2→
Patents
1990–2003
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C23Cprimary
C23CCoating metallic material33%
C30BSingle-crystal growth33%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1033%
PatentTitleYear
6,569,693'Method for fabricating epitaxial substrate'20034,976,216'Apparatus for vapor-phase growth'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2003Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history
1990Based in Osaka, JP· patent location history
2003Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO21990–2003
Locations
LocationPatentsSpan
Tsukuba, JP12003
Osaka, JP11990