LexDanaLexDanabeta
Inventor

Norio Nakajima

Inventor
Takatsuki, JP

Overview

71→
Patents
1976–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 71 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits13%
H01PWaveguides10%
H04BTransmission10%
G03GElectrography6%
B41JTypewriters5%
H05KPrinted circuits5%
G06KGraphical data reading4%
G07FCoin-freed or like apparatus4%
H04NPictorial communication, e.g. television4%
E02FDredging3%
PatentTitleYear
10,657,508Product storage device and automatic vending machine202010,055,921Coin processing apparatus20189,922,484'Coin processing apparatus'20189,818,252'Product discharging device'20179,811,967'Product discharging device'20179,710,993'Product discharging device'20179,652,924'Product discharging device'20178,786,132'Power supply device'20147,808,520'Exposure device, light emitting diode head, and image forming apparatus'20107,750,607'Auxiliary electric power supply for vehicle and charger/discharger for vehicle'20107,457,100'Capacitor device and wiring pattern'20087,398,103'High-frequency module and mobile communication apparatus using the same'20087,380,376'Non-slip structure'20087,328,863'Counterweight and method for recycling the same'20087,245,884'RF module'20077,200,365'Composite high frequency component and mobile communication device including the same'20077,190,970'Multiplexer'20077,183,875'High frequency switching component with electrostatic surge elimination'20077,162,839'Non-slip material'20077,021,109'Method and apparatus for manufacturing slip stopper'20066,928,298'Mobile communication device and high-frequency composite unit used in the same'20056,901,903'Cover structure for construction machine cooling package'20056,897,982'Image-writing device and method and image-forming apparatus reducing dot width variations in relation to a screen angle'20056,801,232'Distance maintaining member between optical head and image drum'20046,788,958'High-frequency module and mobile communication apparatus using the same'20046,768,898'Composite high frequency component and mobile communication apparatus including the same'20046,731,184'High frequency switching component'20046,640,095'Frequency multiplier and wireless device incorporating same'20036,633,748'Composite high frequency component and mobile communication device including the same'20036,603,960'Transmission output control device, and radio equipment including the same'20036,563,396'Composite high frequency component and mobile communication apparatus incorporating the same'20036,559,879'LED array head, circuit board, and LED array chip'20036,456,836'Frequency multiplier and wireless device incorporating same'20026,445,262'Composite high frequency component and mobile communication apparatus incorporating the same'20026,442,376'Composite high frequency component and mobile communication apparatus including the same'20026,414,565'Variable attenuator and mobile communication apparatus'20026,377,292'LED print head with reduced reflection of light leaking from edges of LED array chips'20026,249,194'Composite filter comprising LC and saw filters and radio communication apparatus using the filter'20016,226,027'Electrophotography apparatus and exposing unit therefor'20016,177,850'Two frequency filter comprising an inductance device, a resonator, and a switching device'20016,169,564'Optical printhead'20016,111,478'Filter with a switch having capacitance'20006,107,221'Card for cleaning a card processor'20006,097,268'Multilayer duplexer with no shielding electrodes'20006,070,059'High-frequency switch'20006,069,538'Impedance stabilizing unit and high-frequency module using the unit'20006,060,960'Duplexer comprising a SAW filter disposed on a multi-layer substrate'20006,025,863'LED head for illuminating a surface of a photoconductive body'20006,025,761'Composite filter with LC and saw filters and radio equipment using the same'20006,022,155'Driver IC and print head'20005,999,065'Composite high-frequency component'19995,990,732'Composite high frequency apparatus and method of forming same'19995,973,709'Printer and process for printing different size dots by setting drive energies based on adjacent data bit logic'19995,903,421'High-frequency composite part'19995,815,052'High-frequency composite components comprising first and second circuits connected in parallel for multi-frequency systems'19985,808,718'Led print head and method of adjusting the focus thereof'19985,802,903'Manufacturing method for angled steel pipes'19985,783,976'Composite high frequency apparatus and method of forming same'19985,774,165'Light emission intensity width compensating method of LED print head and apparatus thereof'19985,748,054'High frequency hybrid switch operable in antenna diversity type portable telephone'19985,742,212'High-frequency switch'19985,724,089'Printer for printing bit-mapped image responsive to bit-mapped image signal'19985,699,023'High-frequency switch'19975,333,068'Image processing system'19945,141,195'Counterweight removal device'19925,098,869'Dielectric ceramic composition'19924,958,232'Process apparatus for processing memory which stores information'19904,843,428'Process apparatus for processing memory which stores information'19894,733,275'System for storage and printing a plurality of images'19884,505,576'System for storage and printing a plurality of images'19853,982,792'Emergency brake system for a vehicle'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2008Patents assigned to CATERPILLAR MITSUBISHI LTD (7)· patent assignee history
1985–1994Patents assigned to CANON KK (5)· patent assignee history
1989–2004Based in Hachioji, JP· patent location history
1992–2008Patents assigned to MURATA MANUFACTURING CO (34)· patent assignee history
1997–2008Based in Takatsuki, JP· patent location history
1998–2010Patents assigned to OKI DATA KK (10)· patent assignee history
1998–2010Based in Tokyo, JP· patent location history
2008–2014Based in Kyoto, JP· patent location history
2017–2020Patents assigned to FUJI ELECTRIC CO LTD (7)· patent assignee history
2017–2020Based in Yokkaichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MURATA MANUFACTURING CO341992–2008
OKI DATA KK101998–2010
CATERPILLAR MITSUBISHI LTD71976–2008
FUJI ELECTRIC CO LTD72017–2020
CANON KK51985–1994
Locations
LocationPatentsSpan
Takatsuki, JP331997–2008
Tokyo, JP171998–2010
Yokkaichi, JP72017–2020
Kyoto, JP32008–2014
Hachioji, JP31989–2004