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Yasuo Kamada
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
11,592,768
Issue date
Feb 28, 2023
Ricoh Company, Ltd.
Takahiro Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Particulate polyamide, and method for preparing the particulate pol...
Patent number
10,323,134
Issue date
Jun 18, 2019
Ricoh Company, Ltd.
Yoko Arai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Toner, developer, and image forming device
Patent number
10,303,072
Issue date
May 28, 2019
Ricoh Company, Ltd.
Akira Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particulate polyamide, and method for preparing the particulate pol...
Patent number
10,138,344
Issue date
Nov 27, 2018
Ricoh Company, Ltd.
Yoko Arai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for producing polymer
Patent number
9,587,072
Issue date
Mar 7, 2017
Ricoh Company, Ltd.
Taichi Nemoto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Polymer production apparatus and polymer production method
Patent number
9,447,228
Issue date
Sep 20, 2016
Ricoh Company, Ltd.
Yuuichi Satoh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
TONER, TONER-STORING UNIT, DEVELOPER, IMAGE FORMING APPARATUS, AND...
Publication number
20230296996
Publication date
Sep 21, 2023
RICOH COMPANY, LTD.
Yasuo Kamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20220404743
Publication date
Dec 22, 2022
Takahiro HONDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, TONER STORAGE UNIT, IMAGE FORMING APPARATUS, AND...
Publication number
20220291602
Publication date
Sep 15, 2022
RICOH COMPANY, LTD.
Yasuo KAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPING AGENT, TONER STORED UNIT, AND IMAGE FORMING APPAR...
Publication number
20220137525
Publication date
May 5, 2022
RICOH COMPANY, LTD.
Ryuuta Yoshida
B82 - NANO-TECHNOLOGY
Information
Patent Application
TONER AND PRODUCTION METHOD THEREOF, AND TONER STORED UNIT, IMAGE F...
Publication number
20220050395
Publication date
Feb 17, 2022
RICOH COMPANY, LTD.
Hiroshi YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND PRODUCTION METHOD THEREOF, TONER STORED UNIT, IMAGE FORMI...
Publication number
20210356877
Publication date
Nov 18, 2021
RICOH COMPANY, LTD.
Yasuo KAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PARTICULATE POLYAMIDE, AND METHOD FOR PREPARING THE PARTICULATE POL...
Publication number
20190016867
Publication date
Jan 17, 2019
RICOH COMPANY, LTD.
Yoko ARAI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING DEVICE
Publication number
20180224763
Publication date
Aug 9, 2018
Akira TANAKA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER PRODUCT AND PRODUCTION METHOD THEREOF, AND MOLDED PRODUCT
Publication number
20160280849
Publication date
Sep 29, 2016
Yasuo KAMADA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PARTICULATE POLYAMIDE, AND METHOD FOR PREPARING THE PARTICULATE POL...
Publication number
20160272776
Publication date
Sep 22, 2016
RICOH COMPANY, LTD.
Yoko ARAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING POLYMER
Publication number
20160194445
Publication date
Jul 7, 2016
RICOH COMPANY, LTD.
Taichi NEMOTO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER PRODUCT, FILM, MOLDED ARTICLE, SHEET, PARTICLE, FIBER, AND...
Publication number
20160083512
Publication date
Mar 24, 2016
RICOH COMPANY, LTD.
Yasuo Kamada
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
POLYMER PRODUCT AND PRODUCTION METHOD THEREOF, AND POLYMER PRODUCT...
Publication number
20150361213
Publication date
Dec 17, 2015
Yasuo KAMADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYMER PRODUCTION APPARATUS
Publication number
20150353677
Publication date
Dec 10, 2015
Ricoh Company, Ltd.
Satoshi IZUMI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYMER PRODUCT AND PRODUCTION METHOD THEREOF, AND POLYMER PRODUCT...
Publication number
20150322201
Publication date
Nov 12, 2015
RICOH COMPANY, LTD.
Yoko ARAI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYMER PRODUCTION APPARATUS AND POLYMER PRODUCTION METHOD
Publication number
20150141611
Publication date
May 21, 2015
Yuuichi SATOH
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING POLYMER, AND POLYMER PRODUCT
Publication number
20140213754
Publication date
Jul 31, 2014
Taichi NEMOTO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...