Inventor
Tadao Kaji
Inventor
Kokubunji, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1024%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests24%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1021%
H10DInorganic electric semiconductor devices14%
H03KPulse technique10%
G11BInformation storage based on relative movement between record carrier and transducer7%
PatentTitleYear
5,910,010'Semiconductor integrated circuit device, and process and apparatus for manufacturing the same'19995,638,012'Write driver circuit'19975,392,172'Magnetic head circuit having a write current changeover circuit with a clamp voltage depending on write current for high-speed data transfer'1995RE032605'Frequency divider'19884,390,960'Frequency divider'19834,073,054'Method of fabricating semiconductor device'19784,042,726'Selective oxidation method'19774,025,411'Fabricating semiconductor device utilizing a physical ion etching process'19773,997,378'Method of manufacturing a semiconductor device utilizing monocrystalline-polycrystalline growth'19763,992,232'Method of manufacturing semiconductor device having oxide isolation structure and guard ring'19763,977,920'Method of fabricating semiconductor device using at least two sorts of insulating films different from each other'19763,975,818'Method of forming closely spaced electrodes onto semiconductor device'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1999Patents assigned to HITACHI LTD (11)· patent assignee history
1976–1977Based in Kokubunji, JP· patent location history
1977–1999Based in Tokyo, JP· patent location history
1983–1997Based in Hinode, JP· patent location history
1997Patents assigned to HITACHI COMPUTER ENG (1)· patent assignee history
1999Patents assigned to HITACHI HOKKAI SEMICONDUCTOR (1)· patent assignee history
1999Patents assigned to HITACHI TOBU SEMICONDUCTOR LTD (1)· patent assignee history
1999Patents assigned to HITACHI ULSI ENG CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 11 | 1976–1999 |
| HITACHI COMPUTER ENG | 1 | 1997 |
| HITACHI HOKKAI SEMICONDUCTOR | 1 | 1999 |
| HITACHI TOBU SEMICONDUCTOR LTD | 1 | 1999 |
| HITACHI ULSI ENG CORP | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kokubunji, JP | 5 | 1976–1977 |
| Tokyo, JP | 4 | 1977–1999 |
| Hinode, JP | 3 | 1983–1997 |