Masahiro Seki

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carrier, developer, method, and apparatus for forming electrophotog...
- Patent number 11,106,150
- Issue date Aug 31, 2021
- Ricoh Company, Ltd.
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for developer of electrostatic latent image, two-component...
- Patent number 10,474,051
- Issue date Nov 12, 2019
- Ricoh Company, Ltd.
- Mariko Takii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, developer, supplemental developer, image forming apparatus...
- Patent number 10,444,651
- Issue date Oct 15, 2019
- Ricoh Company, Ltd.
- Mariko Takii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for developer of electrostatic latent image, developer, and...
- Patent number 10,254,674
- Issue date Apr 9, 2019
- Ricoh Company, Ltd.
- Masahiro Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, toner stored unit, and image forming apparatus
- Patent number 10,025,213
- Issue date Jul 17, 2018
- Ricoh Company, Ltd.
- Masahiro Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, process cartridge, and image forming apparatus
- Patent number 9,152,066
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Ryota Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, method for producing the same, and image forming apparatus
- Patent number 8,852,836
- Issue date Oct 7, 2014
- Ricoh Company, Ltd.
- Masahiro Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CARRIER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, DEVELOPER FOR FORMIN...
- Publication number 20220283523
- Publication date Sep 8, 2022
- RICOH COMPANY, LTD.
- Masashi NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, DEVELOPER, METHOD, AND APPARATUS FOR FORMING ELECTROPHOTOG...
- Publication number 20200166867
- Publication date May 28, 2020
- Masashi NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER FOR DEVELOPER OF ELECTROSTATIC LATENT IMAGE, TWO-COMPONENT...
- Publication number 20190018331
- Publication date Jan 17, 2019
- Mariko Takii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20190011847
- Publication date Jan 10, 2019
- Satoshi OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING APPARATUS...
- Publication number 20180267421
- Publication date Sep 20, 2018
- Mariko TAKII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER FOR DEVELOPER OF ELECTROSTATIC LATENT IMAGE, DEVELOPER, AND...
- Publication number 20180113393
- Publication date Apr 26, 2018
- Masahiro SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20180031992
- Publication date Feb 1, 2018
- Masahiro SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20130244157
- Publication date Sep 19, 2013
- Ryota INOUE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, METHOD FOR PRODUCING THE SAME, AND IMAGE FORMING APPARATUS
- Publication number 20120328976
- Publication date Dec 27, 2012
- Masahiro Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masahiro Seki

Person

Patents Grantslast 30 patents

Carrier, developer, method, and apparatus for forming electrophotog...

Carrier for developer of electrostatic latent image, two-component...

Carrier, developer, supplemental developer, image forming apparatus...

Carrier for developer of electrostatic latent image, developer, and...

Toner, toner stored unit, and image forming apparatus

Toner, developer, process cartridge, and image forming apparatus

Toner, method for producing the same, and image forming apparatus

Patents Applicationslast 30 patents

CARRIER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, DEVELOPER FOR FORMIN...

CARRIER, DEVELOPER, METHOD, AND APPARATUS FOR FORMING ELECTROPHOTOG...

CARRIER FOR DEVELOPER OF ELECTROSTATIC LATENT IMAGE, TWO-COMPONENT...

TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS

CARRIER, DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING APPARATUS...

CARRIER FOR DEVELOPER OF ELECTROSTATIC LATENT IMAGE, DEVELOPER, AND...

TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS

TONER, DEVELOPER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

TONER, METHOD FOR PRODUCING THE SAME, AND IMAGE FORMING APPARATUS