Inventor
Yuji Yatsuda
Inventor
Tokyo, JP
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices31%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1018%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1018%
G11CStatic stores11%
H10BElectronic memory devices7%
H01LSemiconductor devices6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
H03KPulse technique2%
PatentTitleYear
11,107,912Trench gate semiconductor device with dummy gate electrode and manufacturing method of the same202110,211,332Semiconductor device and manufacturing method of the same20199,837,528Semiconductor device and manufacturing method of the same20179,478,530'Semiconductor device and manufacturing method of the same'20169,245,973'Semiconductor device and manufacturing method of the same'20169,013,006'Semiconductor device and manufacturing method of the same'20158,937,350'Semiconductor device and method of manufacturing the same'20158,659,078'Semiconductor device and method of manufacturing the same'20148,604,563'Semiconductor device and manufacturing method of the same'20138,592,920'Semiconductor device and manufacturing method of the same'20138,405,145'Semiconductor device and method of manufacturing the same'20138,232,610'Semiconductor device and manufacturing method of the same'20127,968,939'Semiconductor device and method of manufacturing the same'20117,847,347'Semiconductor device and method of manufacturing the same'20107,834,407'Semiconductor device'20107,759,730'Semiconductor device and method of manufacturing the same'20107,544,568'Semiconductor device and method of manufacturing the same'20097,518,183'Semiconductor device'20097,211,862'Semiconductor device and a method of manufacturing the same'20077,042,048'Semiconductor device and a method of manufacturing the same'20066,977,416'Semiconductor device and a method of manufacturing the same'20056,885,061'Semiconductor device and a method of manufacturing the same'20056,492,689'Semiconductor device switching regulator used as a DC regulated power supply'20025,519,244'Semiconductor device having aligned semiconductor regions and a plurality of MISFETs'19965,348,898'Semiconductor device and method for manufacturing the same'19945,252,505'Method for manufacturing a semiconductor device'19935,177,584'Semiconductor integrated circuit device having bipolar memory, and method of manufacturing the same'19935,114,870'Method for manufacturing field effect transistors'19925,057,445'Method of making a high-voltage, low on-resistance IgFET'19914,989,224'Coincidence circuit'19914,961,101'Semiconductor MOSFET device with offset regions'19904,851,364'Method of forming well regions for field effect transistors utilizing self-aligned techniques'19894,818,719'Method of manufacturing an integrated CMOS of ordinary logic circuit and of high voltage MOS circuit'19894,668,970'Semiconductor device'19874,654,828'Nonvolatile semiconductor memory'19874,653,025'Random access memory with high density and low power'19874,586,238'Method of manufacturing field-effect transistors utilizing self-aligned techniques'19864,514,830'Defect-remediable semiconductor integrated circuit memory and spare substitution method in the same'19854,460,980'Nonvolatile MNOS semiconductor memory'19844,443,718'Nonvolatile semiconductor memory with stabilized level shift circuit'19844,264,376'Method for producing a nonvolatile memory device'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–2002Patents assigned to HITACHI LTD (15)· patent assignee history
1981–1996Based in Hachioji, JP· patent location history
1985–1991Based in Kanagawa, JP· patent location history
1986–1994Based in Hachiohji, JP· patent location history
1993–2021Based in Tokyo, JP· patent location history
2002–2009Based in Kumagaya, JP· patent location history
2005–2010Patents assigned to RENESAS TECH CORP (7)· patent assignee history
2010–2021Patents assigned to RENESAS ELECTRONICS CORP (15)· patent assignee history
2012–2013Patents assigned to NAKAZAWA YOSHITO (4)· patent assignee history
2012–2013Patents assigned to YATSUDA YUJI (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 15 | 1981–2002 |
| RENESAS ELECTRONICS CORP | 15 | 2010–2021 |
| RENESAS TECH CORP | 7 | 2005–2010 |
| NAKAZAWA YOSHITO | 4 | 2012–2013 |
| YATSUDA YUJIself | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 18 | 1993–2021 |
| Kumagaya, JP | 6 | 2002–2009 |
| Hachioji, JP | 6 | 1981–1996 |
| Kanagawa, JP | 5 | 1985–1991 |
| Hachiohji, JP | 4 | 1986–1994 |