Inventor

Yasuaki Hashimoto

Inventor

Kanagawa, JP

Overview

1987–2020

Patent span

Physics

Primary field (CPC G)

Patents· 28 as inventor

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

G03Gprimary

G03GElectrography36%

F16LPipes12%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%

Y10TTechnical subjects covered by former us classification7%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%

H04NPictorial communication, e.g. television5%

B01DSeparation2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling2%

B23BTurning2%

PatentTitleYear

10,852,651Electrostatic-image developer and process cartridge2020 10,831,119Electrostatic-image developer and process cartridge2020 10,514,652Image forming apparatus and developer set2019 10,359,730Image forming apparatus having developer with carrier2019 10,303,078Image forming apparatus having two transfer units2019 10,025,210Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge2018 9,910,372'Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge'2018 9,835,962Electrostatic image-developing toner, electrostatic image developer, and toner cartridge2017 9,442,404'Electrostatic-image-developing toner, electrostatic image developer, and toner cartridge'2016 9,176,411'Electrostatic charge image developing toner, toner container, and image forming apparatus'2015 9,052,627'Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge and image forming device'2015 9,026,380'Air gap measuring apparatus'2015 8,808,957'Carrier for developing electrostatic image, developer for electrostatic image, developing device, cartridge, process cartridge, image forming method, and image forming apparatus'2014 8,802,343'Carrier for developing electrostatic charge image, developer for developing electrostatic charge image, developer cartridge for developing electrostatic charge image, process cartridge, image forming apparatus, and image forming method'2014 8,584,742'Heat exchanger'2013 8,574,800'Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge and image forming device'2013 8,486,600'Carrier for developing electrostatic charge image, developer for electrostatic charge image, process cartridge and image forming apparatus'2013 7,318,418'Common rail for diesel engine'2008 7,275,521'Joint structure of diverging branch pipe in fuel rail for internal combustion engine, diverging branch pipe and manufacture method of its diverging branch pipe'2007 7,093,650'Heat conduction pipe externally covered with fin member'2006 6,011,634'Portable facsimile equipment'2000 5,339,513'Method of manufacturing thick-walled small diameter pipe'1994 5,315,904'Apparatus for cutting inner circumferential surface of thick walled small diameter pipe'1994 5,001,572'Facsimile equipment'1991 4,857,413'Metal-made carrier body for exhaust gas cleaning catalyst'1989 4,810,011'Structure in which a small-diameter thin metal tube is fixed at one end to a flange coupling'1989 4,784,413'End of thin-walled metal tubing of small diameter coupled to flange'1988 4,665,876'Connector head construction for high-pressure fuel injection tubes'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2013Patents assigned to USUI KOKUSAI SANGYO KK (10)· patent assignee history

1987–2006Based in Shizuoka, JP· patent location history

1988–1994Based in Tagata-gun, JP· patent location history

1991–2015Based in Tokyo, JP· patent location history

2007–2013Based in Izu Shizuoka, JP· patent location history

2013–2020Patents assigned to FUJI XEROX CO LTD (15)· patent assignee history

2013–2015Patents assigned to HASHIMOTO YASUAKI (7)· patent assignee history

2013–2014Patents assigned to TSURUMI YOSUKE (3)· patent assignee history

2013–2014Patents assigned to ANNO SHINTARO (2)· patent assignee history

2013–2020Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI XEROX CO LTD	15	2013–2020
USUI KOKUSAI SANGYO KK	10	1987–2013
HASHIMOTO YASUAKIself	7	2013–2015
TSURUMI YOSUKE	3	2013–2014
ANNO SHINTARO	2	2013–2014

Locations

Location	Patents	Span
Kanagawa, JP	14	2013–2020
Tagata-gun, JP	4	1988–1994
Izu Shizuoka, JP	3	2007–2013
Shizuoka, JP	3	1987–2006
Tokyo, JP	2	1991–2015