Inventor
Syogo Iwai
Inventor
Kawasaki, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia21%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds21%
C08LCompositions of macromolecular compounds21%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
G03GElectrography7%
PatentTitleYear
6,388,038'Method for producing polycarboxylic acid for cement dispersant and cement composition'20026,174,980'Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition'20015,912,284'Cement additive, its production process and use'19994,910,552'Automatic document feeder for electrophotographic copying machine with a drum for supporting a document'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to SHARP KK (1)· patent assignee history
1990Based in Yamatokoriyama, JP· patent location history
1999–2002Patents assigned to NIPPON CATALYTIC CHEM IND (3)· patent assignee history
1999–2002Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CATALYTIC CHEM IND | 3 | 1999–2002 |
| SHARP KK | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 3 | 1999–2002 |
| Yamatokoriyama, JP | 1 | 1990 |