Inventor
Richard J. Kuo
Inventor
St. Paul, MN, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers19%
Y10TTechnical subjects covered by former us classification17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
B41MPrinting, duplicating, marking, or copying processes6%
B42DBooks6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
H01QAntennas, i.e. radio aerials6%
H05KPrinted circuits6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B41JTypewriters3%
PatentTitleYear
7,658,980'Tamper-indicating printable sheet for securing documents of value and methods of making the same'20107,648,744'Tamper-indicating printable sheet for securing documents of value and methods of making the same'20106,136,890'Ink jet ink containing polyurethane dispersant'20006,022,403'Pigmented inks and dispersants used therewith'20005,951,749'Water-based pigmented inks'19995,938,830'Pigmented inks and N-(1,2-dicarboxyethyl)-N-disubstituted sulfosuccinamate dispersants used therewith'19995,854,308'Water-based pigmented inks having silicone-containing polymer incorporated therein'19985,840,106'Water-based pigmented inks'19985,725,647'Pigmented inks and humectants used therewith'19985,527,655'Radiation-sensitive adducts comprising diazonium cations, quaternary cations, and sulfonated polyester anions'19965,275,880'Microwave absorber for direct surface application'19945,106,437'Electromagnetic radiation suppression cover'19925,085,931'Microwave absorber employing acicular magnetic metallic filaments'19924,693,930'Smooth, low-friction magnetic recording medium'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1999Patents assigned to MINNESOTA MINING & MFG (9)· patent assignee history
1987–2010Based in St. Paul, MN, US· patent location history
1999–2010Patents assigned to 3M INNOVATIVE PROPERTIES CO (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 9 | 1987–1999 |
| 3M INNOVATIVE PROPERTIES CO | 5 | 1999–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 14 | 1987–2010 |