Kei NIWAYAMA

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

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 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
Carrier and developer
- Patent number 10,031,434
- Issue date Jul 24, 2018
- Ricoh Company, Ltd.
- Mariko Takii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, developing agent, image forming apparatus, image forming m...
- Patent number 10,025,214
- Issue date Jul 17, 2018
- Ricoh Company, Ltd.
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE...
- Publication number 20240393707
- Publication date Nov 28, 2024
- RICOH COMPANY, LTD.
- Kei Niwayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE...
- Publication number 20230384704
- Publication date Nov 30, 2023
- RICOH COMPANY LTD.
- Kei Niwayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC DEVELOPER, REPLENISHMENT DEVELOPER, IMAGE FORMI...
- Publication number 20200319571
- Publication date Oct 8, 2020
- Kento TAKEUCHI
- 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
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
CARRIER, DEVELOPING AGENT, IMAGE FORMING APPARATUS, IMAGE FORMING M...
- Publication number 20170185000
- Publication date Jun 29, 2017
- Masashi NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER AND DEVELOPER
- Publication number 20160363880
- Publication date Dec 15, 2016
- Mariko TAKII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kei NIWAYAMA

Person

Patents Grantslast 30 patents

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

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

Carrier and developer

Carrier, developing agent, image forming apparatus, image forming m...

Patents Applicationslast 30 patents

TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE...

TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE...

ELECTROPHOTOGRAPHIC DEVELOPER, REPLENISHMENT DEVELOPER, IMAGE FORMI...

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

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

CARRIER, DEVELOPING AGENT, IMAGE FORMING APPARATUS, IMAGE FORMING M...

CARRIER AND DEVELOPER