Inventor
Tsuyoshi Yuki
Inventor
Kyoto, JP
Overview
Patents· 11 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 bonds23%
A61LMethods or apparatus for sterilising materials or objects in general19%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C10MLubricating compositions13%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
C07CAcyclic or carbocyclic compounds3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
PatentTitleYear
10,941,368Lubricating oil composition comprising dispersant comb polymers20217,579,305'Friction regulator for lubricating oil and lubricating oil composition'20097,557,241'Method for producing α,β-unsaturated carboxylic acid ester, α,β-unsaturated carboxylic acid ester, and lubricating oil additive'20096,746,993'Viscosity index improver and lube oil containing the same'20046,284,362'Absorbent compositions, methods for producing thereof and absorbent products'20016,156,678'Water absorbing agent absorbent material'20005,886,120'Method for preparing water absorbent resin'19995,801,238'Method for producing water absorbent resin and water absorbent'19985,789,507'Method for preparing water absorbent resin'19985,747,570'Water-absorbing resin composition'19985,728,792'Method for preparing water absorbent resin'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2009Patents assigned to SANYO CHEMICAL IND LTD (10)· patent assignee history
1998–2009Based in Kyoto, JP· patent location history
2000Based in Shiga, JP· patent location history
2021Patents assigned to EVONIK OPERATIONS GMBH (1)· patent assignee history
2021Based in Otsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO CHEMICAL IND LTD | 10 | 1998–2009 |
| EVONIK OPERATIONS GMBH | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 9 | 1998–2009 |
| Otsu, JP | 1 | 2021 |
| Shiga, JP | 1 | 2000 |