Inventor

Daisuke Ishizuka

Inventor
Kanagawa, JP

Overview

30→
Patents
1997–2021
Patent span
Physics
Primary field (CPC G)

Patents· 30 as inventor

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

G03Gprimary
G03GElectrography64%
H04NPictorial communication, e.g. television17%
B42CBookbinding8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
G06TImage data processing or generation, in general3%
G10LSpeech analysis techniques or speech synthesis3%
PatentTitleYear
11,003,128Image forming apparatus202110,935,900Toner for developing electrostatic charge image, electrostatic charge image developer, and toner cartridge202110,578,989Electrostatic charge image developer, developer cartridge, and process cartridge202010,520,841Electrostatic image developing toner, electrostatic latent image developer, and toner cartridge201910,466,605Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge201910,416,597Image forming apparatus with a fan operable under noise-reducible control20199,715,185'Electrostatic-image developing toner, electrostatic-image developer, and toner cartridge'20179,612,542'Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge'20179,575,428'Electrostatic-image developing toner, electrostatic image developer, and toner cartridge'20179,482,972'Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge'20169,207,564'Image forming apparatus'20158,728,697'Carrier for electrostatic image developer, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus'20148,620,658'Voice chat system, information processing apparatus, speech recognition method, keyword data electrode detection method, and program for speech recognition'20138,597,865'Electrostatic-image-developing toner, electrostatic image developer, image forming apparatus, and image forming method'20138,383,308'Positively chargeable two-component developer, image forming method, and image forming apparatus'20137,977,022'Developer, process cartridge, and image forming apparatus'20117,852,525'Surface illumination unit and transparent original reading apparatus'20107,554,704'Image scanning apparatus having a scanning position adjustment capability'20097,138,215'Process cartridge, image forming apparatus and image forming method'20067,001,701'Color toner, electrostatic latent image developer, image forming method, and image producing device'20066,846,603'Color toner, electrostatic latent image developer, image forming method, and image producing device'20056,784,410'Image input system, image input apparatus, image input method, program, and storage medium'20046,577,837'Image forming method and image forming apparatus'20036,528,220'Electrophotogaphic color toner, electrophotographic developer, and image-forming process'20036,492,782'Image input apparatus, image input system, light source control method, and storage medium'20026,420,080'Process for forming image'20026,094,510'Image processing apparatus and method for predicting a compression rate of image data processed to modify an image'20006,000,894'Bookbinding apparatus'19995,899,649'Book-binding apparatus and image forming apparatus'19995,592,280'Sheet binding apparatus capable of performing two kinds of binding processes'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2010Patents assigned to CANON KK (8)· patent assignee history
1997–1999Based in Yokohama, JP· patent location history
2000–2010Based in Kawasaki, JP· patent location history
2002–2021Patents assigned to FUJI XEROX CO LTD (18)· patent assignee history
2002–2021Based in Kanagawa, JP· patent location history
2002–2006Based in Minami-ashigara, JP· patent location history
2013–2014Patents assigned to ISHIZUKA DAISUKE (4)· patent assignee history
2013Patents assigned to HONDA HITOSHI (1)· patent assignee history
2015–2021Patents assigned to BROTHER IND LTD (3)· patent assignee history
2015–2021Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI XEROX CO LTD182002–2021
CANON KK81997–2010
ISHIZUKA DAISUKEself42013–2014
BROTHER IND LTD32015–2021
HONDA HITOSHI12013
Locations
LocationPatentsSpan
Kanagawa, JP152002–2021
Minami-ashigara, JP62002–2006
Nagoya, JP32015–2021
Yokohama, JP31997–1999
Kawasaki, JP22000–2010