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Inventor

Kei Doioka

Inventor
Tokyo, JP

Overview

1→
Patents
2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C30Bprimary
C30BSingle-crystal growth100%
PatentTitleYear
10,526,721Method for growing b-GA2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to KOHA CO LTD (1)· patent assignee history
2020Patents assigned to TAMURA SEISAKUSHO KK (1)· patent assignee history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOHA CO LTD12020
TAMURA SEISAKUSHO KK12020
Locations
LocationPatentsSpan
Tokyo, JP12020