Inventor
Yujiro Tatsuno
Inventor
Hitachi, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing22%
B41JTypewriters11%
G02BOptical elements, systems or apparatus11%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
G03GElectrography11%
G09GArrangements or circuits for control of indicating devices using static means to present variable information11%
H04NPictorial communication, e.g. television11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
5,241,655'Menu presentation method and data processing apparatus'19934,954,818'Multi-window display control system'19904,858,171'Word processor with selective placement of printhead for printing of newly input print data after interruption of printing'19893,980,405'Cathode-ray tube picture projection apparatus'19763,947,190'Electrophotographic apparatus for recording images in superimposed relationship'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1993Patents assigned to HITACHI LTD (5)· patent assignee history
1976–1993Based in Hitachi, JP· patent location history
1990Patents assigned to HITACHI MICRO SOFTWARE SYST (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1976–1993 |
| HITACHI MICRO SOFTWARE SYST | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 5 | 1976–1993 |