Inventor
Eiichi Seya
Inventor
Kunitachi, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps27%
G01NInvestigating or analysing materials by determining their chemical or physical properties23%
B23KSoldering or unsoldering19%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
G02BOptical elements, systems or apparatus4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H02NElectric machines not otherwise provided for4%
PatentTitleYear
8,796,651'Method and apparatus for specimen fabrication'20147,897,936'Method and apparatus for specimen fabrication'20117,791,043'Stage mechanism, electron microscope having the stage mechanism and method of controlling positioning of stage mechanism'20107,514,683'Scanning electron microscope'20097,268,356'Method and apparatus for specimen fabrication'20076,943,945'Two axis state for microscope'20056,794,663'Method and apparatus for specimen fabrication'20046,664,552'Method and apparatus for specimen fabrication'20035,601,686'Wafer transport method'19975,562,800'Wafer transport method'19965,420,436'Methods for measuring optical system, and method and apparatus for exposure using said measuring method'19955,235,591'Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2014Patents assigned to HITACHI LTD (9)· patent assignee history
1993–1997Based in Hachioji, JP· patent location history
2003–2014Based in Kunitachi, JP· patent location history
2005–2010Patents assigned to HITACHI HIGH TECH CORP (3)· patent assignee history
2005–2010Based in Hitachinaka, JP· patent location history
2014Patents assigned to FUKUDA MUNEYUKI (1)· patent assignee history
2014Patents assigned to ISHITANI TOHRU (1)· patent assignee history
2014Patents assigned to KASHIMA HIDEO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 9 | 1993–2014 |
| HITACHI HIGH TECH CORP | 3 | 2005–2010 |
| FUKUDA MUNEYUKI | 1 | 2014 |
| ISHITANI TOHRU | 1 | 2014 |
| KASHIMA HIDEO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kunitachi, JP | 5 | 2003–2014 |
| Hachioji, JP | 4 | 1993–1997 |
| Hitachinaka, JP | 3 | 2005–2010 |