Inventor
Shintaro Sawada
Inventor
Yokohama, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds50%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
5,518,627'Method for treating water or an aqueous solution'19965,369,132'Method for producing a spherical acrylonitrile crosslinked copolymer'19945,314,974'Method for producing a spherical acrylonitrile crosslinked copolymer'19945,248,435'Ion exchange resin, process for producing the same, and method for removing impurities from condensate'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Patents assigned to MITSUBISHI CHEM IND (3)· patent assignee history
1993Based in Kanagawa, JP· patent location history
1994–1996Based in Yokohama, JP· patent location history
1996Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history
1996Patents assigned to TOHOKU ELECTRIC POWER CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI CHEM IND | 3 | 1993–1994 |
| MITSUBISHI CHEM CORP | 1 | 1996 |
| TOHOKU ELECTRIC POWER CO | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1994–1996 |
| Kanagawa, JP | 1 | 1993 |