LexDanaLexDanabeta
Inventor

Ryuichi Ishizuka

Inventor
Ebina, JP

Overview

42→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 42 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television41%
G06KGraphical data reading23%
G06FElectric digital data processing6%
H04LTransmission of digital information, e.g. telegraphic communication6%
H04WWireless communication networks6%
G06TImage data processing or generation, in general4%
G01SRadio direction-finding3%
G03GElectrography3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
B23KSoldering or unsoldering1%
PatentTitleYear
10,904,249Terminal management apparatus, terminal management system, and non-transitory computer readable medium202110,852,406Terminal management apparatus and terminal management system202010,630,783Terminal management apparatus, terminal management system, and non-transitory computer readable medium202010,477,043Document processing apparatus and non-transitory computer readable medium for keyword extraction decision201910,303,138Equipment control system, image forming device, and non-transitory computer readable storage medium201910,261,733Image forming apparatus, information processing apparatus, and non-transitory computer readable medium for transmitting a program to an in-room device201910,178,261System and image forming apparatus that stops or controls the transmission of control information between at least one controlled device and an external device201910,178,251Information processing apparatus configured to notify about a service201910,146,492Information processing system, image forming apparatus, and information processing apparatus for transmitting information from a device to an external device201810,091,614Information processing apparatus, image processing apparatus, and non-transitory computer readable storage medium201810,057,436Device management system, image forming apparatus, and non-transitory computer readable medium201810,055,173Image forming apparatus, image forming method, and non-transitory computer readable medium20189,336,469'Apparatus and method for color conversion for an image processing apparatus by extracting embedded color space information'20169,235,789'Image processing apparatus, image processing method, and non-transitory computer readable medium'20169,036,215'Image forming apparatus and image forming method'20158,687,915'Image processing apparatus, system, method and program storage medium for generating a determination image for determining whether or not moiré will occur in image data for plate making'20148,437,055'Image processing apparatus, image processing method, image processing system, and computer-readable medium'20138,352,860'Image processing device and method for notifying a user of an included compressed image'20138,031,368'Image processing device'20118,009,917'Image processing device'20117,995,238'Image processing that can use both process and spot color plates'20117,903,881'Image processing device'20117,884,966'Image processing apparatus, system, method and computer-readable medium'20117,839,540'Image processing apparatus and image processing method'20107,839,533'Image processing device'20107,821,659'Image processing method and image processing device'20107,528,989'Image processing apparatus and image processing method'20097,480,413'Image processing device'20097,474,440'Color image processing apparatus and color image processing system using the apparatus'20097,471,419'Image processing device'20087,468,811'Image processing device and method to make an image printable'20087,426,060'Image processing method, image processing device and image processing system'20087,355,749'Compressed image processing method and image compressed image processing apparatus'20087,345,788'Color image processing apparatus and color image processing system using the apparatus'20087,333,740'Image-formation control apparatus, method for calibrating image forming apparatus, and program'20087,253,918'Image processing device'20077,206,463'Image processing method, device and system'20077,200,268'Image processing device'20077,196,826'Image processing device and image processing system'20077,088,464'Image processing device'20067,079,270'Color image processing apparatus and color image processing system using the apparatus'20064,386,258'High frequency magnetic field coupling arc plasma reactor'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history
1983Patents assigned to NIPPON MINING CO (1)· patent assignee history
2006–2021Patents assigned to FUJI XEROX CO LTD (41)· patent assignee history
2006–2013Based in Ebina, JP· patent location history
2006–2020Based in Kanagawa, JP· patent location history
2013–2014Patents assigned to ISHIZUKA RYUICHI (3)· patent assignee history
2013Patents assigned to KODAMA MARI (2)· patent assignee history
2013Based in Kawasaki, JP· patent location history
2014Based in Yokohama, JP· patent location history
2019–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI XEROX CO LTD412006–2021
ISHIZUKA RYUICHIself32013–2014
KODAMA MARI22013
ASAHI CHEMICAL IND11983
NIPPON MINING CO11983
Locations
LocationPatentsSpan
Ebina, JP192006–2013
Kanagawa, JP172006–2020
Tokyo, JP32019–2021
Yokohama, JP12014
Kawasaki, JP12013