Inventor
Hisakazu Iizuka
Inventor
Yokohama, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
G11CStatic stores15%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
H10BElectronic memory devices10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
H01FMagnets5%
PatentTitleYear
11,094,454Noise reduction unit20215,297,077'Memory having ferroelectric capacitors polarized in nonvolatile mode'19944,612,212'Method for manufacturing E.sup.2 PROM'19864,531,203'Semiconductor memory device and method for manufacturing the same'19854,462,090'Method of operating a semiconductor memory circuit'19844,406,051'Method for manufacturing a semiconductor device'19834,376,336'Method for fabricating a semiconductor device'19834,363,696'Short circuit prevention in the manufacture of semiconductor devices'19824,267,011'Method for manufacturing a semiconductor device'19814,115,795'Semiconductor memory device'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (8)· patent assignee history
1978–1994Based in Yokohama, JP· patent location history
1994Patents assigned to TOSHIBA KK (1)· patent assignee history
2021Patents assigned to YAZAKI CORP (1)· patent assignee history
2021Based in Shizuoka-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO SHIBAURA ELECTRIC CO | 8 | 1978–1986 |
| TOSHIBA KK | 1 | 1994 |
| YAZAKI CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 9 | 1978–1994 |
| Shizuoka-shi, JP | 1 | 2021 |