Inventor
Leonard J. Stulc
Inventor
Shafer, MN, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography36%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
B41CProcesses for the manufacture or reproduction of printing surfaces8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
A61MDevices for introducing media into, or onto, the body4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
H01HElectric switches4%
H04MTelephonic communication4%
PatentTitleYear
7,354,687'Dry toner blended with wax'20087,318,987'Dry toner comprising entrained wax'20087,306,886'Dry toner comprising wax'20077,106,997'Intermediate transfer member for carrying intermediate electrophotographic image'20067,018,768'Organosols comprising a chromophore, methods and uses'20067,018,769'Liquid toners comprising organic pigments and methods'20066,887,558'Intermediate transfer member for electrophotographic process'20056,832,064'Seamless drying belt for electrophotographic process'20046,342,324'Release layers and compositions for forming the same'20025,939,237'Top coats for shoot and run printing plates'19995,552,260'Shoot and run printing materials'19965,527,655'Radiation-sensitive adducts comprising diazonium cations, quaternary cations, and sulfonated polyester anions'19965,506,090'Process for making shoot and run printing plates'19965,395,734'Shoot and run printing materials'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1996Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history
1995–2006Based in Shafer, MN, US· patent location history
1996Based in Chisago, MN, US· patent location history
1999–2002Patents assigned to IMATION CORP (2)· patent assignee history
2004–2006Patents assigned to SAMSUNG ELECTRONICS CO LTD (3)· patent assignee history
2006–2008Patents assigned to SAMSUNG ELECTRONICS COMPANY (5)· patent assignee history
2007–2008Based in Shaffer, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS COMPANY | 5 | 2006–2008 |
| MINNESOTA MINING & MFG | 4 | 1995–1996 |
| SAMSUNG ELECTRONICS CO LTD | 3 | 2004–2006 |
| IMATION CORP | 2 | 1999–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shafer, Minnesota, US | 10 | 1995–2006 |
| Shaffer, Minnesota, US | 3 | 2007–2008 |
| Chisago, Minnesota, US | 1 | 1996 |