Inventor
Masahito Takahashi
Inventor
Tachikawa, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores37%
H10BElectronic memory devices32%
H10DInorganic electric semiconductor devices26%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
PatentTitleYear
7,084,477'Semiconductor device and manufacturing method of the same'20066,787,411'Method of manufacturing semiconductor memory device and semiconductor memory device'20046,714,447'Semiconductor device and a integrated circuit card'20046,646,303'Nonvolatile semiconductor memory device and a method of manufacturing the same'20036,501,116'Semiconductor memory device with MIS transistors'20026,423,584'method for forming capacitors and field effect transistors in a semiconductor integrated circuit device'20026,420,754'Semiconductor integrated circuit device'20025,898,621'Batch erasable single chip nonvolatile memory device and erasing method therefor'19995,677,868'Batch erasable nonvolatile memory device and erasing method'19975,598,368'Batch erasable nonvolatile memory device and erasing method'19975,455,789'Nonvolatile semiconductor memory with selectively driven word lines'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2003Patents assigned to HITACHI LTD (8)· patent assignee history
1995–1999Based in Kodaira, JP· patent location history
1997–1999Patents assigned to HITACHI ULSI ENG CORP (3)· patent assignee history
1997–1999Patents assigned to HITACHI TOHBU SEMICONDUCTOR LTD (2)· patent assignee history
2002–2006Based in Tachikawa, JP· patent location history
2003–2004Patents assigned to HITACHI ULSI SYS CO LTD (2)· patent assignee history
2004Patents assigned to RENESAS TECH CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1995–2003 |
| HITACHI ULSI ENG CORP | 3 | 1997–1999 |
| HITACHI TOHBU SEMICONDUCTOR LTD | 2 | 1997–1999 |
| HITACHI ULSI SYS CO LTD | 2 | 2003–2004 |
| RENESAS TECH CORP | 2 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tachikawa, JP | 7 | 2002–2006 |
| Kodaira, JP | 4 | 1995–1999 |