Inventor
Ryosei Hiraoka
Inventor
Hitachi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing75%
G10LSpeech analysis techniques or speech synthesis13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
4,807,113'Microprogrammed control data processing apparatus in which operand source and/or operand destination is determined independent of microprogram control'19894,736,296'Method and apparatus of intelligent guidance in natural language'19884,530,050'Central processing unit for executing instructions of variable length having end information for operand specifiers'19854,523,272'Bus selection control in a data transmission apparatus for a multiprocessor system'19854,520,441'Data processing system'19854,481,573'Shared virtual address translation unit for a multiprocessor system'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1989Patents assigned to HITACHI LTD (6)· patent assignee history
1984–1985Patents assigned to HITACHI ENG CO LTD (4)· patent assignee history
1984–1989Based in Hitachi, JP· patent location history
1988Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1984–1989 |
| HITACHI ENG CO LTD | 4 | 1984–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 5 | 1984–1989 |
| Tokyo, JP | 1 | 1988 |