LexDanaLexDanabeta
Inventor

Junichi Ichikawa

Inventor
Kanagawa, JP

Overview

63→
Patents
1990–2021
Patent span
Physics
Primary field (CPC G)

Patents· 63 as inventor

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

G03Gprimary
G03GElectrography17%
Y10TTechnical subjects covered by former us classification12%
H05KPrinted circuits10%
B22FWorking metallic powder5%
A61BDiagnosis4%
G02BOptical elements, systems or apparatus3%
H04NPictorial communication, e.g. television3%
H03HImpedance networks, e.g. resonant circuits3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
LOC233%
PatentTitleYear
10,960,633Method for forming molded article by press molding202110,661,395Aluminum-alloy brazing sheet202010,248,071Drive transmitter and image forming apparatus incorporating the drive transmitter201910,201,329Ultrasound observation apparatus, method for operating ultrasound observation apparatus, and computer-readable recording medium20199,983,274Magnetic detection device2018D0812199'High-pressure fuel injection pipe'2018D0812200'High-pressure fuel injection pipe'2018D0812201'High-pressure fuel injection pipe'20189,517,054'Ultrasound observation apparatus, method for operating ultrasound observation apparatus, and computer-readable recording medium'20169,423,724'Pressing device, in an image forming apparatus that includes an adjuster connected to two lateral plates'20169,405,269'Image forming apparatus with a guide member for a transfer belt'20169,367,018'Image forming device having tripod type constant-velocity joint for coupling rotary member with driving source'20169,354,589'Cleaner, image forming apparatus using the cleaner, and voltage setting device'20169,235,164'Transfer device and image forming apparatus including same'20169,182,698'Method of transferring image and image transferring system and image forming apparatus with same'20159,136,719'Vehicular charge control apparatus and vehicular charge control system'20158,776,750'Assembly for a valve train of an internal combustion engine'20148,643,910'Image forming apparatus and image forming method including a first measuring unit that measures invisible toner'20148,635,979'Drag lever'20148,437,672'Separation unit, fixing unit and image forming apparatus'20138,364,068'Fixing device and image forming apparatus'20138,315,530'Fixing device and image forming device'20128,211,021'Ultrasound image processing apparatus and ultrasound diagnostic apparatus'20128,162,835'Ultrasonic image generating method'20128,145,082'Image forming apparatus and method of controlling toner supply'20128,135,442'Apparatus and program for vehicular wireless communication'20128,019,152'Color correction data acquiring system, image processing system, color correction data acquiring method, image processing method, and program'20117,905,018'Production method for sintered gear'20117,826,771'Electrostatic latent image holder unit and image forming apparatus using the same'20107,783,212'Thickness variation detector of photoconductor, image formation unit, image formation apparatus and method for thickness variation of photoconductor'20107,697,779'Ultrasonic image processing apparatus'20107,651,659'Manufacturing method of sinter forged aluminum parts with high strength'20107,605,949'Image processing apparatus and image processing method adapted to correct color unevenness'20097,489,884'Image forming apparatus, correction parameter setting device, and density non-uniformity correction device'20097,382,387'Image forming apparatus and image density correction device'20087,099,645'Multilayer LC filter'20066,833,939'Light scanning method and light scanning device'20046,831,530'Monolithic LC filter with enhanced magnetic coupling between resonator inductors'20046,791,435'Multilayer LC filter with improved magnetic coupling characteristics'20046,607,150'Method and apparatus for crushing material'20036,201,561'Optical scanner, scanning lens and image forming apparatus'20016,172,415'Thin plate member for semiconductor package and manufacturing method therefor'20016,139,975'Sheet metal member, method of manufacturing same, and heat radiation plate'20006,041,653'Acceleration sensor and a method of producing same'20006,013,403'Digital image forming method and apparatus'20006,003,379'Pressure sensor device'19995,948,989'Pressure sensor device'19995,905,939'Process for producing connecting rod'19995,878,323'Process for producing split type mechanical part'19995,805,323'Optical scanning apparatus'19985,757,535'Optical scanner'19985,416,667'Printed wiring board having an electromagnetic wave shielding layer'19955,291,653'Manufacturing printed wiring boards having electromagnetic wave shielding'19945,266,748'Printed wiring board having through-holes covered with ink layer and method of manufacture thereof'19935,262,596'Printed wiring board shielded from electromagnetic wave'19935,240,737'Method of manufacturing printed circuit boards'19935,210,940'Method of producing a printed circuit board'19935,210,379'Printed wiring board with electromagnetic wave shielding layer'19935,195,238'Method of manufacturing a printed circuit board'19935,196,230'Method for connecting an electromagnetic wave shielding layer with a ground circuit in a printed circuit board'19935,112,648'Method of manufacturing a printed circuit board'19925,025,116'Printed wiring board having electromagnetic wave shielding layer'19914,900,602'Printed wiring board'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1995Patents assigned to NIPPON CMK KK (12)· patent assignee history
1990–1994Based in Saitama, JP· patent location history
1998–2014Patents assigned to FUJI XEROX CO LTD (16)· patent assignee history
1998–2013Based in Ebina, JP· patent location history
1999–2018Based in Tokyo, JP· patent location history
2008–2019Based in Kanagawa, JP· patent location history
2010–2019Based in Hino, JP· patent location history
2012–2019Patents assigned to ICHIKAWA JUNICHI (18)· patent assignee history
2015–2019Patents assigned to RICOH CO LTD (7)· patent assignee history
2015–2016Patents assigned to FUJITA JUNPEI (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICHIKAWA JUNICHIself182012–2019
FUJI XEROX CO LTD161998–2014
NIPPON CMK KK121990–1995
RICOH CO LTD72015–2019
FUJITA JUNPEI52015–2016
Locations
LocationPatentsSpan
Kanagawa, JP152008–2019
Saitama, JP81990–1994
Ebina, JP71998–2013
Hino, JP52010–2019
Tokyo, JP51999–2018