Inventor
Osamu Sasaya
Inventor
Mobara, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps47%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices35%
G03CPhotosensitive materials for photographic purposes12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
4,735,880'Photosensitive composition and pattern forming process using same'19884,657,961'Process for forming phosphor screen of cathode ray tube'19874,652,462'Method of producing phosphor screen of color picture tube'19874,612,268'Method of forming phosphor pattern on fluorescent screen for color picture tubes with polymer coagulent'19864,564,572'Process for forming pattern'19864,469,766'Method of forming cathode-ray tube phosphor screen'19844,425,419'Photosensitive composition'19844,331,752'Method of forming fluorescent screens of color picture tubes'19824,318,971'Method of forming fluorescent screen of color picture tube'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1988Patents assigned to HITACHI LTD (9)· patent assignee history
1982–1988Based in Mobara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 9 | 1982–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mobara, JP | 9 | 1982–1988 |