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Ko TOKUMARU
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image recording apparatus, image recording method, and recording me...
Patent number
11,203,201
Issue date
Dec 21, 2021
Ricoh Company, Ltd.
Jun Shiori
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus, state control method, and non-transitory c...
Patent number
11,102,373
Issue date
Aug 24, 2021
Ricoh Company, Ltd.
Yuji Tanaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus, image forming method, and storage medium
Patent number
11,006,016
Issue date
May 11, 2021
Ricoh Company, Ltd.
Ko Tokumaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Consumable management apparatus, consumable management system, and...
Patent number
10,656,585
Issue date
May 19, 2020
Ricoh Company, Ltd.
Takeo Seki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powder detection device, image forming apparatus, powder detection...
Patent number
10,228,632
Issue date
Mar 12, 2019
Ricoh Company, Ltd.
Mitsufumi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing control apparatus, fixing control program product, and image...
Patent number
8,983,327
Issue date
Mar 17, 2015
Ricoh Company, Ltd.
Masayuki Yabuuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION PROCESSING DEVICE, PRINTER, INFORMATION PROCESSING SYST...
Publication number
20220405026
Publication date
Dec 22, 2022
Takeshi SHIKAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AN...
Publication number
20210334049
Publication date
Oct 28, 2021
Ricoh Company, Ltd.
Takeshi SHIKAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING SYSTEM
Publication number
20210157533
Publication date
May 27, 2021
Takeshi SHIKAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND STORAGE MEDIUM
Publication number
20200288033
Publication date
Sep 10, 2020
Ko TOKUMARU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE RECORDING APPARATUS, IMAGE RECORDING METHOD, AND RECORDING ME...
Publication number
20200247113
Publication date
Aug 6, 2020
Ricoh Company, Ltd.
Jun SHIORI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS, STATE CONTROL METHOD, AND NON-TRANSITORY C...
Publication number
20200084336
Publication date
Mar 12, 2020
RICOH COMPANY, LTD.
YUJI TANAKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONSUMABLE MANAGEMENT APPARATUS, CONSUMABLE MANAGEMENT SYSTEM, AND...
Publication number
20190286038
Publication date
Sep 19, 2019
Takeo Seki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POWDER DETECTION DEVICE, IMAGE FORMING APPARATUS, POWDER DETECTION...
Publication number
20160349101
Publication date
Dec 1, 2016
RICOH COMPANY, LTD.
Mitsufumi Yamamoto
G01 - MEASURING TESTING
Information
Patent Application
FIXING CONTROL APPARATUS, FIXING CONTROL PROGRAM PRODUCT, AND IMAGE...
Publication number
20140016958
Publication date
Jan 16, 2014
Masayuki YABUUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY