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Inventor

Satoshi Hirano

Inventor
Fujieda, JP

Overview

3→
Patents
1976–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C11Dprimary
C11DDetergent compositions67%
B23KSoldering or unsoldering33%
PatentTitleYear
11,027,363Ironing plate for friction stir welding apparatus and friction stir welding apparatus including the same, and friction stir welding method20214,224,195'Process for handwashing socks or stockings'19803,935,130'Detergent composition for cleaning bathtubs'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to TSUMURA JUNTENDO KK (1)· patent assignee history
1976–1980Based in Fujieda, JP· patent location history
1980Patents assigned to TSUMURA JUTENDO KK (1)· patent assignee history
2021Patents assigned to PRIMETALS TECH JAPAN LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PRIMETALS TECH JAPAN LTD12021
TSUMURA JUNTENDO KK11976
TSUMURA JUTENDO KK11980
Locations
LocationPatentsSpan
Fujieda, JP21976–1980
Tokyo, JP12021