Inventor

Hidenobu Ohya

Inventor
Hachioji, JP

Overview

32→
Patents
1987–2015
Patent span
Performing operations
Primary field (CPC B)

Patents· 32 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes29%
C09DCoating compositions, e.g. paints, varnishes or lacquers18%
B41JTypewriters16%
G03CPhotosensitive materials for photographic purposes15%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments6%
Y10TTechnical subjects covered by former us classification5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
C07DHeterocyclic compounds3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C90D2%
PatentTitleYear
9,051,485'Inkjet ink and inkjet recording method'20158,865,793'Water-based ink-jet recording ink'20148,777,392'Inkjet ink and inkjet recording method'20148,770,733'Water-based inkjet ink, method for producing inkjet printed product using the same, and method for producing water-based inkjet ink'20147,654,661'Image forming method'20107,475,977'Ink-jet recording method'20097,273,276'Method for forming image'20077,261,405'Ink-jet recoding method and recorded matter'20077,238,399'Ink jet recording medium, its manufacturing method, ink jet image forming method and image formed thereby'20077,229,167'Ink jet recording apparatus, ink-jet recording method and ink jet recording medium'20077,213,915'Ink jet printer and image recording method'20077,131,721'Ink jet recording method'20067,073,899'Ink jet recording method'20066,935,733'Fixing belt, fixing roller, production method thereof, fixing apparatus and image fixing method utilizing the apparatus'20056,908,189'Ink jet recording apparatus, ink-jet recording method and ink jet recording medium'20056,902,266'Fixing belt, fixing roller, production method thereof, fixing apparatus and image fixing method utilizing the apparatus'20056,902,267'Ink-jet image forming method'20056,890,070'Ink-jet image forming method and ink-jet image'20056,808,258'Ink-jet image forming method'20046,676,737'Water based ink composition and image forming method'20046,572,228'Image forming method'20036,344,075'Dye and image recording material, and thermal transfer material and ink-jet recording liquid'20025,753,017'Ink jet recording ink and recording method employing the same'19985,556,740'Heat-developable photosensitive material'19965,382,500'Silver halide color photographic light-sensitive material'19955,104,780'Light-sensitive halide color photographic material containing non-diffusion coupler/1-phenyl-3-pyrazolidone derivative'19925,084,376'Heat-developable color light-sensitive material'19925,071,739'Silver halide color photographic light-sensitive material containing magenta coupler'19915,066,574'Silver halide photographic light-sensitive material containing a novel yellow coupler'19914,983,502'Heat developing photosensitive material'19914,847,188'Thermally developable light-sensitive material'19894,650,748'Heat-developable color photo-sensitive material'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2005Patents assigned to KONISHIROKU PHOTO IND (18)· patent assignee history
1987Based in Musashino, JP· patent location history
1989–2007Based in Hino, JP· patent location history
1991–2014Based in Tokyo, JP· patent location history
2004–2015Based in Hachioji, JP· patent location history
2005–2014Patents assigned to KONICA MINOLTA HOLDINGS INC (8)· patent assignee history
2006–2007Patents assigned to KONICA CORP (3)· patent assignee history
2014–2015Patents assigned to OHYA HIDENOBU (4)· patent assignee history
2014–2015Patents assigned to KANEKO MANABU (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND181987–2005
KONICA MINOLTA HOLDINGS INC82005–2014
OHYA HIDENOBUself42014–2015
KANEKO MANABU32014–2015
KONICA CORP32006–2007
Locations
LocationPatentsSpan
Hachioji, JP122004–2015
Hino, JP121989–2007
Tokyo, JP71991–2014
Musashino, JP11987