Inventor
Makoto Segawa
Inventor
Yokohama, JP
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores31%
H10DInorganic electric semiconductor devices16%
H10BElectronic memory devices12%
H03KPulse technique9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
F01LCyclically operating valves for machines or engines4%
F02DControlling combustion engines4%
G05FSystems for regulating electric or magnetic variables4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B60WConjoint control of vehicle sub-units of different type or different function2%
PatentTitleYear
10,714,142Disk device and media scanning method20207,438,665'Control system for internal combustion engine'20087,169,080'Control system for internal combustion engine'20077,140,334'Valve train for internal combustion engine'20066,830,027'Control system for internal combustion engine'20046,529,438'Semiconductor memory device implemented with a test circuit'20036,442,009'Semiconductor device having protective and test circuits'20026,388,938'Semiconductor memory device'20026,037,638'Semiconductor memory device'2000RE036404'Semiconductor memory device for use in apparatus requiring high-speed access to memory cells'19995,825,707'Semiconductor device and SRAM having plural power supply voltages'19985,751,035'Semiconductor device provided with LDD transistors'19985,661,429'Bi-CMOS circuit'19975,467,317'Semiconductor memory device for use an apparatus requiring high-speed access to memory cells'19955,459,423'Semiconductor integrated circuit for a stable constant delay time'19955,440,512'Semiconductor memory device'19955,400,282'Detector circuit for testing semiconductor memory device'19955,263,002'Semiconductor memory device and its topography'19935,136,542'Semiconductor memory device'19925,097,448'Semiconductor memory device capable of relieving defective bits'19925,079,612'Semiconductor integrated circuit device'19925,043,944'Semiconductor memory device with improved output to differential data lines'19914,939,691'Static random access memory'19904,907,057'Semiconductor device'19904,893,159'Protected MOS transistor circuit'19904,864,164'Integrated circuit with switching noise reduction by feedback'19894,760,560'Random access memory with resistance to crystal lattice memory errors'19884,725,746'MOSFET buffer circuit with an improved bootstrapping circuit'19884,673,969'Semiconductor device having multiple conductive layers and the method of manufacturing the semiconductor device'19874,648,075'Redundancy circuit for a semiconductor memory device'19874,578,694'Inverter circuit provided with gate protection'19864,554,469'Static bootstrap semiconductor drive circuit'19854,549,102'Driver circuit having a bootstrap buffer circuit'19854,544,941'Semiconductor device having multiple conductive layers and the method of manufacturing the semiconductor device'19854,541,006'Static memory having load polysilicon resistors formed over driver FET drains'19854,539,490'Charge pump substrate bias with antiparasitic guard ring'19854,535,426'Semiconductor memory device'19854,504,746'Semiconductor buffer circuit using enhancement-mode, depletion-mode and zero threshold mode transistors'19854,453,175'MOS Static RAM layout with polysilicon resistors over FET gates'19844,399,520'Semiconductor integrated circuit device'19834,384,220'MOS Transistor circuit with a power-down function'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1992Patents assigned to TOKYO SHIBAURA ELECTRIC CO (14)· patent assignee history
1983–2002Based in Yokohama, JP· patent location history
1985–1988Based in Tokyo, JP· patent location history
1987–2020Patents assigned to TOSHIBA KK (23)· patent assignee history
1989–2020Based in Kanagawa, JP· patent location history
2004–2008Patents assigned to HONDA MOTOR CO LTD (4)· patent assignee history
2004–2008Based in Wako, JP· patent location history
2006Based in Saitama, JP· patent location history
2020Patents assigned to TOSHIBA ELECTRONIC DEVICES & STORAGE CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 23 | 1987–2020 |
| TOKYO SHIBAURA ELECTRIC CO | 14 | 1983–1992 |
| HONDA MOTOR CO LTD | 4 | 2004–2008 |
| TOSHIBA ELECTRONIC DEVICES & STORAGE CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 24 | 1983–2002 |
| Tokyo, JP | 9 | 1985–1988 |
| Kanagawa, JP | 4 | 1989–2020 |
| Wako, JP | 3 | 2004–2008 |
| Saitama, JP | 1 | 2006 |