Inventor

Hiroyuki Fushimi

Inventor
Shizuoka, JP

Overview

39→
Patents
1988–2019
Patent span
Physics
Primary field (CPC G)

Patents· 39 as inventor

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

G03Gprimary
G03GElectrography44%
C09DCoating compositions, e.g. paints, varnishes or lacquers23%
B41JTypewriters11%
B41MPrinting, duplicating, marking, or copying processes7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
Y10TTechnical subjects covered by former us classification4%
B02CCrushing, pulverising, or disintegrating in general2%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
PatentTitleYear
10,414,932Ink, ink container, and inkjet recording device20199,096,770'Inkjet recording ink set, ink cartridge, inkjet recording device, inkjet recording method, and image formed matter'20159,056,995'Inkjet recording ink set and ink cartridge, and recording device, image forming method, and image-formed article using such ink set'20159,045,659'Inkjet recording ink and inkjet recording device using the same'20158,770,735'Inkjet recording ink and ink cartridge'20148,765,839'Inkjet ink set, inkjet recording device, and inkjet recording method'20148,646,891'Inkjet recording ink, inkjet recording ink set, and ink cartridge'20148,636,351'Inkjet ink, ink cartridge containing the inkjet ink, inkjet recording apparatus using the inkjet cartridge, and print formed by the inkjet ink'20148,613,511'Pigment dispersion liquid, inkjet ink, ink cartridge, image forming apparatus, recording method , and image formed matter'20138,529,048'Inkjet ink, ink cartridge, image forming device, image forming method, and image formed matter'20138,474,963'Inkjet recording ink and image forming method'20138,247,473'Colorant dispersion of recording ink, and recording ink using the same'20128,197,049'Inkjet recording ink, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matter'20128,007,976'Electrostatic image developing toner, toner kit and image forming apparatus'20117,939,235'Image formation method'20117,935,469'Image forming method and toner for developing latent electrostatic image'20117,738,819'Image forming method and apparatus, and developing device and process cartridge therefor'20107,638,250'Toner, developing device, image forming apparatus, and image forming method using the toner'20097,300,736'Toner, and developer, image forming method, image forming apparatus and process cartridge using the toner'20076,916,587'Toner, developer, and image forming method and apparatus'20056,818,370'Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus'20046,733,939'Toner, developer and container for the developer, and method of and apparatus for forming an image'20046,168,894'Image forming method and dry toner therefor'20016,125,257'Methods and systems for cleaning residual toner from image developing device'20006,118,964'Multi-functional contact-type charging unit and image transfer unit'20006,103,441'Color toner for electrophotography'20006,074,794'Toner for dry developing'20006,014,532'Image forming apparatus'20006,004,715'Toner for developing electrostatic images'19995,975,446'Pulverizing apparatus'19995,851,716'Electrophotographic image forming method and toner composition used therefor'19985,648,842'Methods and systems for cleaning residual toner from image-developing device'19975,418,103'Toner for developing latent electrostatic images'19955,061,588'Dry type toner for electrophotography'19914,980,258'Dry type developer for electrophotography'19904,945,022'Triboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomer'19904,933,250'Magenta color toner for developing latent electrostatic images in color electrophotography'19904,841,331'Triboelectric charge application member for toner'19894,762,763'Toner for developing electrostatic latent image'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2010Patents assigned to RICOH KK (23)· patent assignee history
1988–2011Based in Numazu, JP· patent location history
1999–2019Based in Shizuoka, JP· patent location history
2000Based in Touma, JP· patent location history
2011–2019Patents assigned to RICOH CO LTD (16)· patent assignee history
2012–2019Patents assigned to FUSHIMI HIROYUKI (13)· patent assignee history
2012–2015Patents assigned to HASEGAWA SHIN (11)· patent assignee history
2012–2015Patents assigned to HAKIRI MINORU (7)· patent assignee history
2015Based in Shizouka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK231988–2010
RICOH CO LTD162011–2019
FUSHIMI HIROYUKIself132012–2019
HASEGAWA SHIN112012–2015
HAKIRI MINORU72012–2015
Locations
LocationPatentsSpan
Shizuoka, JP191999–2019
Numazu, JP181988–2011
Shizouka, JP12015
Touma, JP12000