Inventor

Koji Izumi

Inventor

Osaka, JP

Overview

38→

Patents

1978–2020

Patent span

Physics

Primary field (CPC G)

Patents· 38 as inventor

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

G03Gprimary

G03GElectrography27%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%

H04NPictorial communication, e.g. television5%

LOC165%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%

C08JWorking-up3%

F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere3%

LOC233%

PatentTitleYear

10,815,074Conveyance apparatus, production line using the conveyance apparatus, and method of changing the production line2020 10,788,737Imaging device and camera grip, and imaging system2020 10,254,633Imaging device and camera grip, and imaging system2019 9,935,307Positive electrode lead and alkaline secondary battery2018 D0810172'Camera'2018 9,804,530'Toner case and image forming apparatus including the same'2017 9,785,089'Toner case and image forming apparatus including the same'2017 9,740,142'Toner case and image forming apparatus including the same'2017 9,728,764'Alkaline storage battery'2017 9,519,247'Fixing device and image forming apparatus including the same'2016 9,448,510'Image forming apparatus for forming image by using developer including toner and carrier'2016 9,411,265'Developer conveying mechanism, image forming apparatus'2016 9,256,163'Image forming apparatus'2016 9,188,952'Toner collecting device and image forming apparatus including the same'2015 9,031,449'Toner collector and image forming apparatus including same'2015 D0726238'Camera'2015 8,699,925'Developing device and image forming apparatus including the same'2014 8,676,081'Development apparatus and image forming apparatus having the same'2014 8,387,415'Method for bending a glass sheet and apparatus for bending a glass sheet'2013 D0651231'Accessory for a camera'2011 7,722,263'Imager apparatus'2010 D0613242'Tire for automobile'2010 7,603,066'Developing device and image forming device and preventing toner contamination thereof'2009 7,578,627'Imager apparatus'2009 7,557,973'Optical scanning device and image forming apparatus provided with the same'2009 7,519,312'Developing unit and image forming device'2009 6,491,227'Erroneous insertion prevention mechanism'2002 6,286,550'Valve apparatus'2001 6,238,606'Process for preparing pellets of saponified ethylene/vinyl acetate copolymer'2001 6,184,288'Hydrous pellets of ethylene-vinyl acetate copolymer hydrolyzate, production thereof and moldings from such hydrous pellets'2001 D0403049'Double-seated control valve'1998 D0403052'Yoke of valve'1998 5,398,101'Image forming apparatus capable of copying images on various copy items'1995 5,244,163'Construction of supporting shaft of roll of paper'1993 5,134,915'Rolled-paper feed unit for an image forming apparatus'1992 4,754,995'Thin-walled connecting pipe for pipeline and coupling structure for same'1988 4,126,313'Mechanism for supplying golf balls to tees of a golf course'1978 4,086,523'Rechargeable battery'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2014Patents assigned to IZUMI KOJI (5)· patent assignee history

1992–1995Patents assigned to MITA INDUSTRIAL CO LTD (3)· patent assignee history

1992–2020Based in Toyonaka, JP· patent location history

1995–2017Based in Osaka, JP· patent location history

1998Based in Kariya, Aichi-pref., JP· patent location history

2001–2018Based in Tokyo, JP· patent location history

2002–2020Patents assigned to SONY CORP (8)· patent assignee history

2002–2020Based in Kanagawa, JP· patent location history

2009Patents assigned to KYOCERA MITA CORP (3)· patent assignee history

2014–2017Patents assigned to KYOCERA DOCUMENT SOLUTIONS INC (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYOCERA DOCUMENT SOLUTIONS INC	11	2014–2017
SONY CORP	8	2002–2020
IZUMI KOJIself	5	1978–2014
KYOCERA MITA CORP	3	2009
MITA INDUSTRIAL CO LTD	3	1992–1995

Locations

Location	Patents	Span
Osaka, JP	15	1995–2017
Tokyo, JP	6	2001–2018
Kanagawa, JP	5	2002–2020
Toyonaka, JP	3	1992–2020
Kariya, Aichi-pref., JP	2	1998