Inventor
Masakazu Koiwa
Inventor
Otsu, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation53%
C02FTreatment of water, waste water, sewage, or sludge27%
A61KPreparations for medical, dental or toiletry purposes7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]7%
PatentTitleYear
11,000,800Gas separation membrane, gas separation membrane element, and gas separation method202110,974,205Composite semipermeable membrane20219,764,291'Spiral separation membrane element and method for producing same'20179,724,646'Separation membrane element'20179,616,390'Separation membrane, separation membrane element, and method for producing separation membrane'20179,597,640'Separation membrane element and production method for same'20179,527,042'Separation membrane for water treatment and production method for same'20169,387,445'Separation membrane element'20168,431,161'Microparticle and pharmaceutical composition thereof'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2021Patents assigned to TORAY INDUSTRIES (9)· patent assignee history
2013–2017Patents assigned to KOIWA MASAKAZU (6)· patent assignee history
2013–2021Based in Shiga, JP· patent location history
2016–2017Patents assigned to KIMURA MASAHIRO (5)· patent assignee history
2016–2017Patents assigned to HIROZAWA HIROHO (4)· patent assignee history
2016–2017Patents assigned to TAKAGI KENTARO (3)· patent assignee history
2016–2021Based in Otsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TORAY INDUSTRIES | 9 | 2013–2021 |
| KOIWA MASAKAZUself | 6 | 2013–2017 |
| KIMURA MASAHIRO | 5 | 2016–2017 |
| HIROZAWA HIROHO | 4 | 2016–2017 |
| TAKAGI KENTARO | 3 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Otsu, JP | 7 | 2016–2021 |
| Shiga, JP | 2 | 2013–2021 |