Inventor

Kazushige Kawamura

Inventor
Kanagawa, JP

Overview

27→
Patents
1989–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 27 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television19%
B01DSeparation14%
G03GElectrography12%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables10%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B41JTypewriters5%
C01BNon-metallic elements5%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents2%
B09CReclamation of contaminated soil2%
PatentTitleYear
10,003,711Light irradiation device, image reading device, and image forming apparatus20189,988,223Automatic document feeding device20189,819,838'Automatic document feeding device and image forming apparatus incorporating same'20179,796,252'Restricting device'20179,687,781'Desulfurization method and device for sulfuric acid production device'20179,609,159'Sheet conveyance device'20179,571,690'Image scanner and image forming apparatus incorporating the image scanner'20179,296,283'Sunroof device'20168,663,594'Exhaust gas treating method'20148,600,288'Image forming apparatus'20138,524,186'Carbon-based catalyst for flue gas desulfurization and method of producing the same and use thereof for removing mercury in flue gas'20138,339,682'Lighting device for use in an optical scanning unit, of an image reader'20128,253,987'Image reader and image forming apparatus including the image reader'20128,204,431'Compact image forming apparatus with post-processing'20128,194,255'Image forming apparatus'20128,167,019'Shade apparatus for vehicle'20127,937,028'Image forming apparatuses having specialized toner structures and materials'20117,873,297'Image forming apparatus'20117,454,157'Image forming device and unit position adjustment method'20087,387,374'Droplet ejection head and image recording apparatus'20087,222,942'Wiring board for inkjet head, method of polarizing piezoelectric elements, and inkjet recording apparatus'20076,616,905'Desulfurization of exhaust gases using activated carbon catalyst'20036,386,452'Image reading device with improved controller'20026,323,385'Wet type method of rendering dioxins innoxious'20015,837,213'Process for the desulfurization of sulfurous acid gas-containing waste gas'19984,911,901'Wet desulfurization process for treating a flue gas'19904,876,734'Image signal processing method and apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2018Based in Kanagawa, JP· patent location history
1998–2017Based in Yokohama, JP· patent location history
2011–2018Patents assigned to RICOH CO LTD (12)· patent assignee history
2012–2018Patents assigned to KAWAMURA KAZUSHIGE (13)· patent assignee history
2012–2018Patents assigned to YOUDA YASUNOBU (8)· patent assignee history
2012–2018Patents assigned to ANDOH TAKAYUKI (6)· patent assignee history
2012–2013Patents assigned to FUJIOKA TETSUYA (5)· patent assignee history
2012–2017Based in Kariya, JP· patent location history
2012–2013Based in Sagamihara, JP· patent location history
2012Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWAMURA KAZUSHIGEself132012–2018
RICOH CO LTD122011–2018
YOUDA YASUNOBU82012–2018
ANDOH TAKAYUKI62012–2018
FUJIOKA TETSUYA52012–2013
Locations
LocationPatentsSpan
Kanagawa, JP121989–2018
Yokohama, JP61998–2017
Kariya, JP32012–2017
Sagamihara, JP32012–2013
Tokyo, JP22012