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Inventor

Tsuyoshi Hamada

Inventor
Otsu, JP

Overview

4→
Patents
2017–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B01Dprimary
B01DSeparation50%
C02FTreatment of water, waste water, sewage, or sludge38%
Y02ATechnologies for adaptation to climate change13%
PatentTitleYear
11,045,771Composite semipermeable membrane and method for producing same202110,099,183Solvent-resistant separation membrane20189,724,646'Separation membrane element'20179,616,390'Separation membrane, separation membrane element, and method for producing separation membrane'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2021Patents assigned to TORAY INDUSTRIES (4)· patent assignee history
2017Patents assigned to HAMADA TSUYOSHI (1)· patent assignee history
2017Patents assigned to HIROZAWA HIROHO (1)· patent assignee history
2017Patents assigned to KIMURA MASAHIRO (1)· patent assignee history
2017Patents assigned to KOIWA MASAKAZU (1)· patent assignee history
2017–2018Based in Otsu, JP· patent location history
2021Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TORAY INDUSTRIES42017–2021
HAMADA TSUYOSHIself12017
HIROZAWA HIROHO12017
KIMURA MASAHIRO12017
KOIWA MASAKAZU12017
Locations
LocationPatentsSpan
Otsu, JP32017–2018
Shiga, JP12021