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Inventor

Kenichi Shibuya

Inventor
Toride, JP

Overview

24→
Patents
1991–2018
Patent span
Physics
Primary field (CPC G)

Patents· 24 as inventor

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

G03Gprimary
G03GElectrography39%
B41CProcesses for the manufacture or reproduction of printing surfaces5%
B41NPrinting plates or foils5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
G04GElectronic time-pieces5%
G11BInformation storage based on relative movement between record carrier and transducer5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
A41GArtificial flowers3%
PatentTitleYear
9,885,997'Image forming apparatus'20189,835,970Image forming apparatus with pre-exposure member20179,829,836Image forming apparatus with pre-exposure member20179,665,032'Image forming apparatus with exposure controlled in dependence on cumulative operating time and humidity'20179,417,566'Image forming apparatus and system operable in ghost-suppression mode'20168,867,939'Image forming apparatus'20148,805,219'Image forming apparatus using common AC voltage source for plural charging members and photosensitive members'20148,606,131'Charging apparatus with AC and DC current detection'20138,453,417'Envelope filling apparatus'20138,412,064'Image forming apparatus to control photosensitive member irradiation'20138,335,444'Image forming apparatus'20128,260,163'Image forming apparatus including control for removing electrical discharge product'20127,469,109'Image forming apparatus with residual toner transfer prevention feature'20087,392,010'Image forming apparatus with preheating mode operating before image formation'20087,217,859'Genetic elements from FBP3 of petunia conferring flower specific transgene expression'20077,192,913'Enhancing the fragrance of an article'20076,505,021'Image forming apparatus having a member for barring an electrification particle form leaking'20036,477,342'Image forming apparatus with conductive member adjoining light irradiating portion'20026,171,381'Aqueous metallic ink composition'20015,854,320'Water base erasable ink compositions'19985,622,109'Process for producing a heat sensitive stencil sheet'19975,498,464'Heat-sensitive stencil sheets and process'19965,063,543'Timer programming apparatus'19915,056,070'Timer programming apparatus'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to SONY CORP (2)· patent assignee history
1991–2013Based in Tokyo, JP· patent location history
1996–2013Patents assigned to RISO KAGAKU CORP (3)· patent assignee history
1998–2001Patents assigned to SAKURA COLOR PROD CORP (2)· patent assignee history
1998–2001Based in Osaka, JP· patent location history
2002–2018Patents assigned to CANON KK (15)· patent assignee history
2002–2003Based in Shizuoka, JP· patent location history
2007Based in Gainesville, FL, US· patent location history
2008–2018Based in Toride, JP· patent location history
2012–2014Patents assigned to SHIBUYA KENICHI (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK152002–2018
SHIBUYA KENICHIself72012–2014
RISO KAGAKU CORP31996–2013
SAKURA COLOR PROD CORP21998–2001
SONY CORP21991
Locations
LocationPatentsSpan
Toride, JP132008–2018
Tokyo, JP51991–2013
Gainesville, Florida, US22007
Shizuoka, JP22002–2003
Osaka, JP21998–2001