Inventor
Yosiaki Hisamune
Inventor
Tokyo, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Bprimary
H10BElectronic memory devices58%
H10DInorganic electric semiconductor devices16%
G11CStatic stores11%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
6,414,352'Semiconductor device having an electronically insulating layer including a nitride layer'20026,274,432'Method of making contactless nonvolatile semiconductor memory device having buried bit lines surrounded by grooved insulators'20016,214,669'Single-chip contact-less read-only memory (ROM) device and the method for fabricating the device'20016,121,670'Single-chip contact-less read-only memory (ROM) device and the method for fabricating the device'20006,057,574'Contactless nonvolatile semiconductor memory device having buried bit lines surrounded by grooved insulators'20006,040,234'Method of manufacturing semiconductor device without bird beak effect'20006,010,946'Semiconductor device with isolation insulating film tapered and method of manufacturing the same'20005,946,240'Nonvolatile semiconductor memory device and method of manufacturing the same'19995,929,480'Nonvolatile semiconductor memory device having first and second floating gates'19995,923,978'Nonvolatile semiconductor memory and methods for manufacturing and using the same'19995,891,775'Method of making nonvolatile semiconductor device having sidewall split gate for compensating for over-erasing operation'19995,863,822'Method of making non-volatile semiconductor memory devices having large capacitance between floating and control gates'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2002Patents assigned to NEC CORP (12)· patent assignee history
1999–2002Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 12 | 1999–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 12 | 1999–2002 |