Inventor
Takayuki Umaba
Inventor
Kyoto, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits27%
B41FPrinting machines or presses20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
B05CApparatus for applying fluent materials to surfaces, in general7%
B41CProcesses for the manufacture or reproduction of printing surfaces7%
G01RMeasuring electric variables7%
G11BInformation storage based on relative movement between record carrier and transducer7%
PatentTitleYear
5,688,324'Apparatus for coating substrate'19975,373,786'Metal mask plate for screen printing'19945,152,219'Screen process printing apparatus using a screen reinforced by strips'19925,111,743'Screen process printing plate for printing with high precision'19924,746,857'Probing apparatus for measuring electrical characteristics of semiconductor device formed on wafer'19884,314,292'Magnetic recording or reproducing apparatus'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to SANKYO SEIKI SEISAKUSHO KK (1)· patent assignee history
1982Based in Nagano, JP· patent location history
1988–1997Patents assigned to DAINIPPON SCREEN MFG (5)· patent assignee history
1988Based in Kusatsu, JP· patent location history
1992–1997Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAINIPPON SCREEN MFG | 5 | 1988–1997 |
| SANKYO SEIKI SEISAKUSHO KK | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 4 | 1992–1997 |
| Kusatsu, JP | 1 | 1988 |
| Nagano, JP | 1 | 1982 |