LexDanaLexDanabeta
Inventor

Kunihiro Katayama

Inventor
Chigasaki, JP

Overview

110→
Patents
1993–2016
Patent span
Physics
Primary field (CPC G)

Patents· 110 as inventor

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

G06Fprimary
G06FElectric digital data processing41%
G11CStatic stores40%
G06KGraphical data reading8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
G07FCoin-freed or like apparatus2%
H04BTransmission2%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids2%
H04LTransmission of digital information, e.g. telegraphic communication1%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like1%
B42DBooks1%
PatentTitleYear
RE045857'External storage device and memory access control method thereof'20169,007,830'Semiconductor memory device having faulty cells'20158,897,736'Mobile communication terminal device'20148,503,235'Nonvolatile memory with faulty cell registration'20138,478,224'Mobile communication terminal device'20138,331,153'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20128,134,869'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20128,064,257'Semiconductor memory device having faulty cells'20118,051,331'Memory card and its initial setting method'20118,031,536'Storage device employing a flash memory'20118,023,325'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20118,001,319'Semiconductor storage device'20117,996,911'Memory card'20117,908,424'Memory card and data rewriting method'20117,881,111'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20117,721,165'External storage device and memory access control method thereof'20107,715,243'Storage device employing a flash memory'20107,694,067'Memory card'20107,650,503'Memory card'20107,616,485'Semiconductor memory device having faulty cells'20097,610,419'Data transmission apparatus, data reception apparatus, data transmission and reception apparatus and data transmission and reception method'20097,570,515'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20097,558,110'IC module and cellular phone'20097,549,086'Memory card and its initial setting method'20097,447,072'Storage device employing a flash memory'20087,418,602'Memory card'20087,415,729'Storage device'20087,403,436'Non-volatile semiconductor memory device'20087,379,379'Storage device employing a flash memory'20087,370,168'Memory card conforming to a multiple operation standards'20087,356,659'Nonvolatile semiconductor memory and method of managing information in information distribution system'20087,350,023'Memory card'20087,343,445'Non-volatile memory card and transfer interruption means'20087,327,624'Storage device employing a flash memory'20087,303,136'Storage device'20077,305,589'Memory card and its initial setting method'20077,295,467'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20077,281,101'Memory device storing data relating to specific application programs'20077,234,087'External storage device and memory access control method thereof'20077,188,265'Method of recognizing a card using a select signal during a determination mode and switching from low to high resistance after the determination'20077,184,320'Storage device employing a flash memory'20077,185,145'Memory card'20077,154,805'Storage device employing a flash memory'20067,133,961'Non-volatile memory card and transfer interruption means'20067,123,519'Storage device employing a flash memory'20067,102,943'Non-volatile semiconductor memory device'20067,082,510'Storage device employing a flash memory'20067,064,995'Storage device employing a flash memory'20067,043,615'Nonvolatile semiconductor memory and method of managing information in information distribution system'20067,006,386'Storage device employing a flash memory'20067,002,851'Storage device employing a flash memory'20067,002,847'Electrically alterable non-volatile multi-level memory device and method of operating such a device'20066,972,979'Nonvolatile memory'20056,952,752'File memory device and information processing apparatus using the same'20056,925,012'Storage device employing a flash memory'20056,917,547'Non-volatile semiconductor memory device'20056,915,427'Hub apparatus with copyright protection function'20056,891,759'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20056,788,609'Storage device employing a flash memory'20046,771,542'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20046,751,123'Storage device counting error correction'20046,728,826'Semiconductor storage device in which commands are sequentially fed to a plurality of flash memories to continuously write data'20046,728,138'Semiconductor memory device having faulty cells'20046,701,471'External storage device and memory access control method thereof'20046,694,460'Semiconductor memory device having deterioration determining function'20046,683,812'Semiconductor memory having electrically erasable and programmable semiconductor memory cells'20046,662,264'File memory device and information processing apparatus using the same'20036,629,191'Nonvolatile memory apparatus for storing data from a host'20036,608,784'Non-volatile semiconductor memory device'20036,598,115'Semiconductor storage apparatus including a plurality of nonvolatile flash memories and utilizing logical to physical sector conversion'20036,584,015'Storage device counting error correction'20036,567,334'Storage device employing a flash memory'20036,549,974'Semiconductor storage apparatus including a controller for sending first and second write commands to different nonvolatile memories in a parallel or time overlapped manner'20036,549,460'Memory device and memory card'20036,542,405'Semiconductor memory device having faulty cells'20036,493,273'Semiconductor memory having electrically erasable and programmable nonvolatile semiconductor memory cells'20026,480,416'Storage device counting error correction'20026,459,644'Semiconductor memory device with block alignment function'20026,457,092'Semiconductor disk storage apparatus including a plurality of flash memories and a buffer memory to continuously write data responsive to first and second write commands'20026,421,279'Flash memory control method and apparatus processing system therewith'20026,388,920'Semiconductor memory device having faulty cells'20026,359,806'Memory device'20026,351,787'File memory device and information processing apparatus using the same'20026,351,412'Memory card'20026,347,051'Storage device employing a flash memory'20026,341,085'Storage device employing a flash memory'20026,339,546'Storage device counting error correction'20026,317,371'Storage device with an error correction unit and an improved arrangement for accessing and transferring blocks of data stored in a non-volatile semiconductor memory'20016,285,595'Semiconductor memory having electrically erasable and programmable nonvolatile semiconductor memory cells'20016,275,436'Flash memory control method and apparatus processing system therewith'20016,272,610'File memory device using flash memories, and an information processing system using the same'20016,236,601'Semiconductor memory device having faulty cells'20016,223,311'Semiconductor memory device having deterioration determining function'20016,199,187'External storage device and memory access control method thereof'20016,158,046'Computer device and method for processing data utilizing pseudoinstruction words'20006,145,050'Semiconductor disk storage apparatus including a write buffer memory in which instructions are sequentially fed to a plurality of flash memories to continuously write sectors of data in an overlapped manner into the flash memories'20006,130,837'Storage device employing a flash memory'20006,078,520'Flash memory control method and information processing system therewith'20006,052,315'Semiconductor memory having electrically erasable and programmable nonvolatile semiconductor memory cells'20006,031,758'Semiconductor memory device having faulty cells'20005,978,941'Semiconductor memory device having deterioration determining function'19995,973,964'Flash memory control method and information processing system therewith'19995,862,083'Information processing system'19995,848,075'Test device employing scan path having circuitry at switches between a scan in signal transmitted and previously held at a predetermined clock timing'19985,809,515'Semiconductor storage device in which instructions are sequentially fed to a plurality of flash memories to continuously write and erase data'19985,732,208'External storage device and memory access control method thereof'19985,644,539'Storage device employing a flash memory'19975,530,828'Semiconductor storage device including a controller for continuously writing data to and erasing data from a plurality of flash memories'19965,530,673'Flash memory control method and information processing system therewith'19965,243,269'Battery power supply system'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2008Patents assigned to HITACHI LTD (47)· patent assignee history
1993–2011Based in Yokohama, JP· patent location history
1998–2016Based in Chigasaki, JP· patent location history
2003–2011Patents assigned to HITACHI ULSI SYS CO LTD (9)· patent assignee history
2004–2011Patents assigned to RENESAS TECH CORP (37)· patent assignee history
2007–2010Based in Kawasaki, JP· patent location history
2008–2016Patents assigned to SOLID STATE STORAGE SOLUTIONS (10)· patent assignee history
2009Based in Kyoto, JP· patent location history
2011–2014Patents assigned to RENESAS ELECTRONICS CORP (7)· patent assignee history
2013–2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD471993–2008
RENESAS TECH CORP372004–2011
SOLID STATE STORAGE SOLUTIONS102008–2016
HITACHI ULSI SYS CO LTD92003–2011
RENESAS ELECTRONICS CORP72011–2014
Locations
LocationPatentsSpan
Chigasaki, JP611998–2016
Yokohama, JP411993–2011
Kawasaki, JP32007–2010
Kanagawa, JP22013–2014
Kyoto, JP12009