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Inventor

Takashi Oshima

Inventor
Tokyo, JP

Overview

74→
Patents
1985–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 74 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Mprimary
H03MCoding24%
G06FElectric digital data processing15%
G11CStatic stores14%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock6%
H04NPictorial communication, e.g. television5%
H03FAmplifiers4%
B81BMicrostructural devices or systems, e.g. micromechanical devices3%
G01DMeasuring not specially adapted for a specific variable3%
H03HImpedance networks, e.g. resonant circuits3%
H03KPulse technique3%
PatentTitleYear
10,768,020Capacitive sensor202010,707,894Analog/digital converter and milimeter wave radar system202010,690,696Acceleration sensor202010,629,065Wireless sensor terminal, wireless sensor system, and sensor data collection method202010,585,112Acceleration sensor202010,527,643Inertia sensor with improved detection sensitivity using servo voltage to detect a physical quantity202010,459,003Signal detection method for capacitance detection type sensor, MEMS sensor, and system201910,461,765Successive approximation type AD converter and sensor device201910,310,049Semiconductor device and failure detection method201910,267,655CV conversion amplifier and capacitive sensor201910,110,241Analog-to-digital converter and probe for ultrasonic diagnostic device using the same20189,958,472Inertial sensor20189,588,911'Semiconductor system for implementing an ising model of interaction'20179,509,330'Analog-to-digital converter probe for medical diagnosis and medical diagnosis system'20169,444,482'Analog-to-digital converter'20169,362,931'Semiconductor device'20169,337,853'Interleaved A/D converter'20169,294,115'Passive amplification circuit and analog-digital convertor'20169,258,006'Semiconductor integrated circuit device'20169,258,003'Electronic system and operating method thereof'20169,246,527'Medical diagnostic signal detection apparatus and medical diagnostic signal detection method'20169,189,323'Semiconductor storage device and method of controlling the same'20159,100,034'Semiconductor integrated circuit device'20159,054,726'Passive amplification circuit and analog-digital convertor'20159,054,723'Electronic system and operating method thereof'20158,933,831'Analog-to-digital converter and wireless receiver'20158,922,407'Analog/digital converter and semiconductor integrated circuit device'20148,736,470'Analog/digital converter and semiconductor integrated circuit device'20148,525,712'Semiconductor integrated circuit and method of operating the same'20138,456,335'Analog-to-digital converter'20138,180,951'Memory system and method of controlling the memory system'20128,169,350'Analog-digital converter chip and RF-IC chip using the same'20128,145,831'Memory system and controller with mode for direct access memory'20128,131,912'Memory system'20128,102,289'Analog/digital converter and semiconductor integrated circuit device'20128,090,416'Radio receiver circuit, radio transceiver circuit and calibration method thereof'20128,004,445'Digital calibration type analog-to-digital converter and wireless receiver circuit and wireless transceiver circuit using the same'20117,969,781'Method of controlling memory system'20117,957,710'DCDC converter unit, power amplifier, and base station using the same'20117,917,690'Method of controlling card-shaped memory device'20117,898,862'Memory card, semiconductor device, and method of controlling memory card'20117,843,369'Analog-to-digital converter and communication device and wireless transmitter and receiver using the same'20107,814,264'Memory card, semiconductor device, and method of controlling semiconductor memory'20107,793,035'Memory system and controller'20107,764,216'Analog-to-digital converter, method of controlling the same, and wireless transceiver circuit'20107,701,376'Digital calibration type analog-to-digital converter and wireless receiver circuit and wireless transceiver circuit using the same'20107,698,497'Method of controlling card-shaped memory device'20107,657,697'Method of controlling a semiconductor memory device applied to a memory card'20107,649,774'Method of controlling memory system'20107,639,538'Memory card, semiconductor device, and method of controlling memory card'20097,522,896'Filter control method, signal processing circuit and integrated circuit for wireless receiver'20097,519,876'Memory card using flash memory and method of controlling the same'20097,446,614'Logical level converter and phase locked loop using the same'20087,404,031'Memory card, nonvolatile semiconductor memory, and method of controlling semiconductor memory'20087,392,343'Memory card having a storage cell and method of controlling the same'20087,379,334'Memory card, semiconductor device, and method of controlling memory card'20087,278,001'Memory card, semiconductor device, and method of controlling semiconductor memory'20077,245,539'Memory card, semiconductor device, and method of controlling semiconductor memory'20077,181,125'Video storage type communication device'20077,138,838'Phase locked loop'20067,005,922'Variable gain amplifier circuit and gain control method thereof'20066,927,628'Gain-control method and device for cascaded amplifiers'20056,360,054'Video storage type communication device'20026,078,721'Video storage type communication device for selectively providing coded frames for selectable reproduction speed and mode according to type of a terminal device'20005,796,436'Video data storing device and method for coding video data based upon determining whether or not video data conforms to a predetermined standard'19985,742,729'Video storage type communication device'1998D0312459'Telephone set'1990D0307751'Telephone set'1990D0307145'Telephone unit'1990D0306861'Telephone unit'1990D0294497'Combination handset and stand telephone instrument'1988D0294349'Combination handset and stand telephone instrument'1988D0289165'Facsimile transceiver'1987D0281423'Call processor for a telephone system'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1990Patents assigned to IWATSU ELECTRIC CO LTD (8)· patent assignee history
1985–2020Based in Tokyo, JP· patent location history
2005–2006Based in Saitama, JP· patent location history
2006–2020Patents assigned to HITACHI LTD (26)· patent assignee history
2007–2015Patents assigned to TOSHIBA KK (19)· patent assignee history
2007–2015Based in Chiba, JP· patent location history
2009Based in Yokosuka, JP· patent location history
2010–2015Based in Moriya, JP· patent location history
2012–2016Patents assigned to OSHIMA TAKASHI (12)· patent assignee history
2013–2020Patents assigned to RENESAS ELECTRONICS CORP (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD262006–2020
TOSHIBA KK192007–2015
OSHIMA TAKASHIself122012–2016
RENESAS ELECTRONICS CORP102013–2020
IWATSU ELECTRIC CO LTD81985–1990
Locations
LocationPatentsSpan
Tokyo, JP371985–2020
Chiba, JP192007–2015
Moriya, JP132010–2015
Saitama, JP32005–2006
Yokosuka, JP12009