LexDanaLexDanabeta
Inventor

Masatoshi Ishikawa

Inventor
Hyogo, JP

Overview

83→
Patents
1985–2021
Patent span
Physics
Primary field (CPC G)

Patents· 83 as inventor

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

G11Cprimary
G11CStatic stores23%
H04NPictorial communication, e.g. television9%
G06TImage data processing or generation, in general7%
G11BInformation storage based on relative movement between record carrier and transducer6%
H03KPulse technique3%
Y10TTechnical subjects covered by former us classification3%
E21BEarth or rock drilling3%
B29CShaping or joining of plastics2%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock2%
PatentTitleYear
11,008,659Trivalent chromium chemical conversion liquid for zinc or zinc alloy bases and chemical conversion coating film202110,891,706Arithmetic device and sensor to track movement of object between frames202110,717,006Video game processing program and video game processing system202010,713,749Image sensor and driving method, and electronic apparatus202010,481,381Line-of-sight direction control device201910,423,107Polyimide tube for fixing belts201910,201,759Video game processing program and video game processing system201910,144,406Power transmission apparatus201810,142,601Information presentation device20189,924,104'Background-differential extraction device and background-differential extraction method'20189,874,082Downhole imaging systems and methods20189,787,886'Blurless image capturing system'20179,719,342'Drill bit assembly imaging systems and methods'20179,670,775'Methods and systems for downhole fluid analysis'20179,584,711'Imaging methods and systems for controlling equipment in remote environments'20179,183,638'Image based position determination'20159,065,962'Book readout system and book readout method'20158,916,816'Imaging systems and image fiber bundles for downhole measurement'20148,540,602'Drive device for hybrid vehicle'20138,511,173'Displacement transducer'20138,445,090'Fixing belt'20138,244,788'Semiconductor integrated circuit device having a plurality of photo detectors and processing elements'20127,532,244'High-speed vision sensor'20097,301,721'Falling sensor and the information processing device making use of it'20077,244,919'Semiconductor integrated circuit device having photo detector circuits, processing elements, and comparing circuits which compare the output of a photo detector element with a reference voltage'20077,186,363'LED inserting holder integrated type base board and mold therefor'20077,098,437'Semiconductor integrated circuit device having a plurality of photo detectors and processing elements'20067,046,821'Image detection processor'20066,995,939'Falling sensor and the information processing device making use of it'20066,970,196'High-speed vision sensor with image processing function'20056,903,965'Thin film magnetic memory device permitting high precision data read'20056,885,235'Semiconductor integrated circuit device with internal power supply potential generation circuit'20056,868,004'Thin film magnetic memory device suppressing resistance of transistors present in current path'20056,868,029'Semiconductor device with reduced current consumption in standby state'20056,862,209'Thin film magnetic memory device with magnetic tunnel junction'20056,822,897'Thin film magnetic memory device selecting access to a memory cell by a transistor of a small gate capacitance'20046,796,334'Duct repairing material, repairing structure, and repairing method'20046,794,904'Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operation'20046,788,571'Thin film magnetic memory device having an access element shared by a plurality of memory cells'20046,781,873'Non-volatile memory device capable of generating accurate reference current for determination'20046,771,449'Falling sensor and the information processing device making use of it'20046,757,191'Thin film magnetic memory device sharing an access element by a plurality of memory cells'20046,726,464'Mixing device for manufacturing molding'20046,724,686'Operable synchronous semiconductor memory device switching between single data rate mode and double data rate mode'20046,618,319'Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system'20036,608,296'High-speed vision sensor having a parallel processing system'20036,597,040'Semiconductor device having MOS transistor for coupling two signal lines'20036,597,617'Semiconductor device with reduced current consumption in standby state'20036,584,005'Semiconductor memory device preventing erroneous writing in write operation and delay in read operation'20036,523,235'Method of manufacturing a ceramic capacitor'20036,522,599'Operable synchronous semiconductor memory device switching between single data rate mode and double data rate mode'20036,493,274'Data transfer circuit and semiconductor integrated circuit having the same'20026,483,165'Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operation'20026,480,946'Memory system for synchronized and high speed data transfer'20026,466,509'Semiconductor memory device having a column select line transmitting a column select signal'20026,463,098'Data transfer circuit transferring 2-bit data through 4 data lines'20026,452,976'Data transfer circuit with reduced current consumption'20026,438,066'Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system'20026,414,894'Semiconductor device with reduced current consumption in standby state'20026,411,560'Semiconductor memory device capable of reducing leakage current flowing into substrate'20026,384,674'Semiconductor device having hierarchical power supply line structure improved in operating speed'20026,373,774'Semiconductor memory device with bank configuration'20026,373,775'Semiconductor memory device with restrained scale of decoding circuit used in shift redundancy'20026,337,832'Operable synchronous semiconductor memory device switching between single data rate mode and double data rate mode'20026,314,048'Semiconductor memory device for fast access'20016,310,759'Ceramic capacitor'20016,292,015'Semiconductor integrated circuit device including logic gate that attains reduction of power consumption and high-speed operation'20016,288,573'Semiconductor device capable of operating fast with a low voltage and reducing power consumption during standby'20016,191,933'Ceramic capacitor'20016,147,544'Data transfer circuit transferring complementary data signals'20006,125,078'Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system'20006,107,700'Semiconductor device of hierarchical power source structure'20006,031,781'Semiconductor memory device allowing high-speed activation of internal circuit'20005,857,494'Pipeline structure with a lining material, an end structure of said pipeline and a method for applying a lining material to a pipeline'19995,799,440'Floating island with water-purifying effect, plant-cultivation bag and method for purifying water'19985,644,445'Cartridge library apparatus'19975,537,266'Tape loading device and magnetic conversion apparatus'19965,442,500'Cartridge library apparatus for handling a number of cartridges in one operation'19955,050,019'Method for automatic continuous changing of cartridge-type magnetic tapes'19915,021,902'Tape changer for loading and unloading a magazine of magnetic tape cartridges'19914,972,348'Opto-electric hybrid associative memory'19904,850,485'Cartridge magazine'19894,551,817'Device for detecting center position of two-dimensionally distributed data'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2007Based in Odawara, JP· patent location history
1999–2019Based in Osaka, JP· patent location history
2000–2003Patents assigned to MITSUBISHI ELECTRIC CORP (24)· patent assignee history
2000–2005Based in Hyogo, JP· patent location history
2001–2005Patents assigned to MITSUBISHI ELECTRIC ENG (7)· patent assignee history
2003–2018Based in Kashiwa, JP· patent location history
2004–2005Patents assigned to RENESAS TECH CORP (10)· patent assignee history
2012–2017Patents assigned to ISHIKAWA MASATOSHI (7)· patent assignee history
2013–2021Patents assigned to UNIV TOKYO (12)· patent assignee history
2013–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP242000–2003
UNIV TOKYO122013–2021
RENESAS TECH CORP102004–2005
ISHIKAWA MASATOSHIself72012–2017
MITSUBISHI ELECTRIC ENG72001–2005
Locations
LocationPatentsSpan
Hyogo, JP362000–2005
Tokyo, JP122013–2021
Kashiwa, JP102003–2018
Odawara, JP91989–2007
Osaka, JP31999–2019