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Inventor

Takeshi Nakayama

Inventor
Hyogo, JP

Overview

122→
Patents
1980–2021
Patent span
Physics
Primary field (CPC G)

Patents· 122 as inventor

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

G11Cprimary
G11CStatic stores18%
G06FElectric digital data processing10%
G01RMeasuring electric variables5%
H05KPrinted circuits5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
H01FMagnets4%
H01JElectric discharge tubes or discharge lamps3%
H04NPictorial communication, e.g. television3%
H01QAntennas, i.e. radio aerials3%
H04BTransmission3%
PatentTitleYear
11,046,855Lusterless paint and skin material202111,019,232Image forming apparatus and non-transitory computer readable storage medium202110,880,301Identification device and identification method202010,850,218Filtration method and production process of cellulose nanofiber dispersion202010,658,898Method for manufacturing a neutral ring for use in rotating electrical machine202010,561,358Biometric device and biometric method202010,533,060Anion-modified cellulose nanofiber dispersion liquid and composition202010,473,756Sensor and estimating method201910,428,188Method for producing master batch, master batch obtained by said production method, rubber composition for tire, and pneumatic tire201910,413,229Biometric device and biometric method201910,241,187Position sensor, direction estimation method, and system201910,177,621Rotating electric machine or wind power generation system201910,088,450Method for evaluating structural change during production process, and analysis program201810,056,178Superconducting magnet device201810,033,237Neutral ring for use in rotating electrical machine and method for manufacturing the same20189,875,878Sample holder and analytical vacuum device20189,852,831Superconducting magnet20179,832,640Wireless connection authentication method and server20179,716,496'Non-contact switch device'20179,680,231'Proximity wireless communication device'20179,620,272'Superconducting magnet device'20179,577,464'Wireless charging system'20179,203,477'Contactless communication system and dipole antenna'20159,143,001'Wireless charging system'20159,093,756'Antenna, transmitter device, receiver device, three-dimensional integrated circuit, and contactless communication system'20158,977,200'Communication device performing medium detection by near field communication, external device, and external medium communication system'20158,952,472'Semiconductor device using close proximity wireless communication'20158,947,089'Magnetic field shimming adjustment: reducing magnetic distribution errors by obtaining current potential distributions of MRI apparatus'20158,882,788'Device for sheet insertion'20148,878,559'IC current measuring apparatus and IC current measuring adapter'20148,846,449'Three-dimensional integrated circuit, processor, semiconductor chip, and manufacturing method of three-dimensional integrated circuit'20148,843,095'Electronic circuit system, electronic circuit device, and wireless communication device in which antennas are selected to be paired for wireless communication and the selected antennas are connected to the electronic circuits'20148,806,314'Communication device, communication system'20148,675,083'Proximity wireless communication apparatus including fixed housing and movable housing rotated endlessly'20148,605,776'Proximity contactless communication apparatus capable of selecting appropriate encoding method according to bandwidth between antennas'20138,363,492'Delay adjustment device and delay adjustment method'20138,134,433'Superconducting magnet apparatus'20128,131,954'Memory device and data reading method'20127,961,067'Superconducting magnet apparatus and magnetic resonance imaging apparatus'20117,928,730'Electromagnet apparatus generating a homogeneous magnetic field with ferromagnetic members arranged inside cryogenic vessels'20117,821,795'Multilayer wiring board'20107,788,076'Interference analysis method, interference analysis device, interference analysis program and recording medium with interference analysis program recorded thereon'20107,778,087'Memory programming method and data access method'20107,748,110'Method for producing connection member'20107,574,312'Semiconductor device and communications terminal and automobile having the same'20097,573,428'Mirror device with antenna'20097,567,083'Superconductive magnetic apparatus for magnetic resonance imaging unit'20097,538,649'Superconducting electromagnet'20097,436,179'Magnet device'20087,427,031'Semiconductor memory device'20087,418,603'Mobile terminal, circuit board, circuit board design aiding apparatus and method, design aiding program, and storage medium having stored therein design aiding program'20087,376,016'Method of writing to non-volatile semiconductor memory device storing information depending on variation in level of threshold voltage'20087,346,051'Slave device, master device and stacked device'20087,258,549'Connection member and mount assembly and production method of the same'20077,257,792'Wiring board design aiding apparatus, design aiding method, storage medium, and computer program'20077,237,219'Design aid apparatus, design aid method, and computer-executable program'20077,129,613'Rotating electrical machine and drive system of cage induction motor'20067,120,885'Computer aided design apparatus for aiding design of a printed wiring board to effectively reduce noise'20067,061,094'Multilayer printed circuit board including first and second signal traces and a first ground trace'20067,045,941'Color cathode ray tube'20067,000,846'Semiconductor memory device'20066,947,461'Semiconductor laser device'20056,901,343'MULTILAYER BOARD IN WHICH WIRING OF SIGNAL LINE THAT REQUIRES TAMPER-RESISTANCE IS COVERED BY COMPONENT OR FOIL, DESIGN APPARATUS, METHOD, AND PROGRAM FOR THE MULTILAYER BOARD, AND MEDIUM RECORDING THE PROGRAM'20056,894,444'Color cathode ray tube and method of manufacturing the same'20056,882,078'Rotating electrical machine and drive system of cage induction motor'20056,839,148'Image input apparatus'20056,691,296'Circuit board design aiding'20046,630,776'Color cathode ray tube'20036,631,509'Computer aided design apparatus for aiding design of a printed wiring board to effectively reduce noise'20036,629,302'Circuit board design aiding apparatus, design aiding method, and storage medium storing design aiding program'20036,353,309'Switching circuit having a switching semiconductor device and control method thereof'20026,307,650'Image reading apparatus'20016,188,493'Electronic blackboard device'20016,151,129'Image reading apparatus'20005,982,730'Switching apparatus using play back information from an optical disk'19995,898,606'Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor'19995,870,419'Double heterojunction semiconductor laser having improved light confinement'19995,761,232'Double heterojunction semiconductor laser having improved light confinement'19985,745,417'Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor'19985,659,505'Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor'19975,645,663'Method of manufacturing a luminous sheet radiating flourescence upon irradiation of ultraviolet rays'19975,615,149'Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming'19975,602,778'Nonvolatile semiconductor memory device with a row redundancy circuit'19975,563,824'Nonvolatile semiconductor memory device and method of erasing stored data thereof'19965,554,868'Non-volatile semiconductor memory device'19965,548,557'Nonvolatile semiconductor memory device with a row redundancy circuit'19965,544,117'Non-volatile semiconductor memory device with improved collective erasing operation'19965,521,863'Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming'19965,485,421'Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming'19965,428,568'Electrically erasable and programmable non-volatile memory device and a method of operating the same'19955,402,382'Nonvolatile semiconductor memory device capable of erasing by a word line unit'19955,371,705'Internal voltage generator for a non-volatile semiconductor memory device'19945,363,330'Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming'19945,347,490'Nonvolatile semiconductor memory device'19945,326,135'Vehicle wheel splash attenuator'19945,297,096'Nonvolatile semiconductor memory device and data erasing method thereof'19945,283,758'Non-volatile semiconductor memory device'19945,273,318'Vehicle mudguard'1993D0338863'Mudflap'19935,233,610'Semiconductor memory device having error correcting function'19935,146,345'Foldable electronic print board with centrally located printer for stability'19925,132,928'Divided word line type non-volatile semiconductor memory device'19925,112,148'Electronic typewriter with override of spelling-checking function'19925,111,427'Nonvolatile content-addressable memory and operating method therefor'19925,105,384'Low current semiconductor memory device'19925,022,009'Semiconductor memory device having reading operation of information by differential amplification'19914,970,727'Semiconductor integrated circuit having multiple self-test functions and operating method therefor'19904,958,317'Nonvolatile semiconductor memory device and a writing method using electron tunneling'19904,953,129'Nonvolatile semiconductor memory device capable of reliably writing data and a data writing method therefor'19904,933,906'Non-volatile semiconductor memory device'19904,903,236'Nonvolatile semiconductor memory device and a writing method therefor'19904,858,194'Nonvolatile semiconductor memory device using source of a single supply voltage'19894,813,018'Nonvolatile semiconductor memory device'19894,811,294'Data integrity verifying circuit for electrically erasable and programmable read only memory (EEPROM)'19894,805,151'Nonvolatile semiconductor memory device'19894,733,371'Semiconductor memory device with high voltage switch'19884,694,314'Semiconductor device'19874,691,216'Semiconductor memory device'19874,543,631'Japanese text inputting system having interactive mnemonic mode and display choice mode'19854,531,119'Method and apparatus for key-inputting Kanji'19854,326,147'Slotted shadow mask having apertures spaced to minimize moire'19824,210,842'Color picture tube with shadow mask'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2019Patents assigned to HITACHI LTD (20)· patent assignee history
1980–2020Based in Tokyo, JP· patent location history
1987–2005Patents assigned to MITSUBISHI ELECTRIC CORP (38)· patent assignee history
1989–2020Based in Hyogo, JP· patent location history
1992–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (15)· patent assignee history
1992–2005Based in Fukuoka, JP· patent location history
2003–2010Based in Katano, JP· patent location history
2008–2015Based in Hitachinaka, JP· patent location history
2009–2017Patents assigned to PANASONIC CORP (14)· patent assignee history
2012–2017Patents assigned to NAKAYAMA TAKESHI (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP381987–2005
HITACHI LTD201980–2019
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD151992–2008
PANASONIC CORP142009–2017
NAKAYAMA TAKESHIself122012–2017
Locations
LocationPatentsSpan
Hyogo, JP531989–2020
Tokyo, JP241980–2020
Katano, JP112003–2010
Hitachinaka, JP62008–2015
Fukuoka, JP51992–2005