Inventor
Shigeki Ogawa
Inventor
Utsunomiya, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices21%
C25DProcesses for the electrolytic or electrophoretic production of coatings14%
C25FProcesses for the electrolytic removal of materials from objects14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons7%
F01MLubricating of machines or engines in general7%
F02FCylinders, pistons or casings, for combustion engines7%
H01JElectric discharge tubes or discharge lamps7%
H02KDynamo-electric machines7%
PatentTitleYear
8,927,949'Measuring apparatus, drawing apparatus, and article manufacturing method'20158,922,774'Method of manufacturing device, and substrate'20146,248,267'Method for manufacturing fibril system fiber'20015,843,290'Electrolytic polishing apparatus'19985,751,404'Exposure apparatus and method wherein alignment is carried out by comparing marks which are incident on both reticle stage and wafer stage reference plates'19985,660,708'Process for manufacturing a lead frame'19975,228,420'Valve rocker cover'19934,814,829'Projection exposure apparatus'19894,803,389'Stepping motor, method of driving the same and drive circuit therefor'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2015Patents assigned to CANON KK (4)· patent assignee history
1989Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1993Based in Saitama, JP· patent location history
1997Patents assigned to SUMITOMO METAL MINING CO (1)· patent assignee history
1997–1998Based in Oume, JP· patent location history
1998Based in Suwa, JP· patent location history
2001Patents assigned to MITSUBISHI RAYON CO (1)· patent assignee history
2001Based in Otake, JP· patent location history
2014–2015Based in Utsunomiya, JP· patent location history
2015Patents assigned to OGAWA SHIGEKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 4 | 1989–2015 |
| MITSUBISHI RAYON CO | 1 | 2001 |
| NIPPON TELEGRAPH & TELEPHONE | 1 | 1989 |
| OGAWA SHIGEKIself | 1 | 2015 |
| SUMITOMO METAL MINING CO | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Utsunomiya, JP | 2 | 2014–2015 |
| Oume, JP | 2 | 1997–1998 |
| Otake, JP | 1 | 2001 |
| Suwa, JP | 1 | 1998 |
| Saitama, JP | 1 | 1993 |