Inventor
Takeo Tatematsu
Inventor
Yokohama, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores71%
H10DInorganic electric semiconductor devices12%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1012%
H10BElectronic memory devices6%
PatentTitleYear
5,140,555'Semiconductor integrated device having uniform noise between a pair of undecided voltage portions'19925,138,419'Wafer scale integration device with dummy chips and relay pads'19925,111,073'Wafer-scale semiconductor device having fail-safe circuit'19924,982,369'Self-refresh semiconductor memory device responsive to a refresh request signal'19914,821,238'Semiconductor memory device having test pattern generating circuit'19894,802,127'Output buffer circuit for a semiconductor memory device'19894,752,914'Semiconductor integrated circuit with redundant circuit replacement'19884,707,806'Semiconductor integrated circuit device having fuse-type information storing circuit'19874,592,025'Information storing circuit using blown and unblown fuses'19864,473,895'Semiconductor memory device'19844,464,750'Semiconductor memory device'19844,156,939'Integrated semiconductor memory device'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1992Patents assigned to FUJITSU LTD (12)· patent assignee history
1979Based in Kawasaki, JP· patent location history
1984–1992Based in Yokohama, JP· patent location history
1992Based in Sagamihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 12 | 1979–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 10 | 1984–1992 |
| Sagamihara, JP | 1 | 1992 |
| Kawasaki, JP | 1 | 1979 |