Inventor
Hideo Koyata
Inventor
Kanagawa, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia47%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds19%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds16%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C08LCompositions of macromolecular compounds9%
PatentTitleYear
9,828,500Hydrophobic, cationic polymers for treating construction aggregates20179,034,968'Cationic polymers for treating construction aggregates'20158,685,156'Modifying clay activity and slump retention in cementitious compositions'20148,168,701'Concrete or mortar admixture composition'20128,070,875'Slump retention in cementitious compositions'20116,670,415'Admixture for optimizing addition of EO/PO plasticizers'20036,352,952'Admixture and method for optimizing addition of EO/PO superplasticizer to concrete containing smectite clay-containing aggregates'20025,728,207'Cement admixture product having improved rheological properties and process of forming same'19985,643,978'Cement admixture product having improved rheological properties and process of forming same'19975,633,298'Cement admixture product having improved rheological properties and process of forming same'19975,583,183'Cement and cement composition having improved rheological properties'19965,432,212'Dispersant composition for cement having excellent property in inhibition of slump-loss'19955,393,343'Cement and cement composition having improved rheological properties'19955,362,323'Cement admixture composition'19945,223,036'Additive composition for cement admixture'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2015Patents assigned to GRACE W R & CO (14)· patent assignee history
1993–2014Based in Kanagawa, JP· patent location history
1997–2003Based in Waltham, MA, US· patent location history
2011–2015Patents assigned to KOYATA HIDEO (4)· patent assignee history
2011–2017Based in Atsugi, JP· patent location history
2014Patents assigned to CHUN BYONG-WA (1)· patent assignee history
2015Patents assigned to CHEN YING (1)· patent assignee history
2017Patents assigned to GCP APPLIED TECH INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACE W R & CO | 14 | 1993–2015 |
| KOYATA HIDEOself | 4 | 2011–2015 |
| CHEN YING | 1 | 2015 |
| CHUN BYONG-WA | 1 | 2014 |
| GCP APPLIED TECH INC | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 6 | 1993–2014 |
| Waltham, Massachusetts, US | 5 | 1997–2003 |
| Atsugi, JP | 4 | 2011–2017 |