Inventor
Haruo Keida
Inventor
Tokorozawa, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing67%
G01RMeasuring electric variables13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H03KPulse technique7%
H10DInorganic electric semiconductor devices7%
PatentTitleYear
5,581,698'Semiconductor integrated circuit device with test mode for testing CPU using external Signal'19965,497,482'Data processor in which external sync signal may be selectively inhibited'19965,493,686'Data processor in which external sync signal may be selectively inhibited'19965,247,521'Data processor'19935,228,139'Semiconductor integrated circuit device with test mode for testing CPU using external signal'19935,179,694'Data processor in which external sync signal may be selectively inhibited'19935,142,536'Data processor'19924,989,208'Data processor'19914,975,593'Microcomputer with synchronized data transfer'19904,967,352'Data processor in which external sync signal may be selectively inhibited'19903,991,326'MISFET switching circuit for a high withstand voltage'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1996Patents assigned to HITACHI LTD (11)· patent assignee history
1976Based in Kodaira, JP· patent location history
1990–1996Patents assigned to HITACHI MICROCUMPUTER ENG (7)· patent assignee history
1990–1996Based in Tokorozawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 11 | 1976–1996 |
| HITACHI MICROCUMPUTER ENG | 7 | 1990–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 10 | 1990–1996 |
| Kodaira, JP | 1 | 1976 |