Inventor
Tsuneo Okubo
Inventor
Hachioji, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps44%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1022%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
4,489,241'Exposure method with electron beam exposure apparatus'19844,443,703'Method and apparatus of deflection calibration for a charged particle beam exposure apparatus'19844,336,597'Method and system for measuring the diameter of an electron beam'19824,286,154'Method of detecting a mark by an electron beam and an apparatus therefor'19813,983,097'Method of producing high molecular derivatives'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to ISE NORIO (1)· patent assignee history
1976Patents assigned to OKUBO TSUNEO (1)· patent assignee history
1976Based in Nishide, Fushimi, Kyoto, JA· patent location history
1981–1984Patents assigned to HITACHI LTD (3)· patent assignee history
1981–1984Based in Hachioji, JP· patent location history
1982–1984Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
1984Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 1981–1984 |
| NIPPON TELEGRAPH & TELEPHONE | 3 | 1982–1984 |
| ISE NORIO | 1 | 1976 |
| OKUBO TSUNEOself | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 3 | 1981–1984 |
| Tokyo, JP | 1 | 1984 |
| Nishide, Fushimi, Kyoto, JA | 1 | 1976 |