Hiroki SAWAMOTO

Person

Kashiwa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ferrite carrier core material for electrophotographic developer, fe...
- Patent number 11,422,480
- Issue date Aug 23, 2022
- Powdertech Co., Ltd.
- Makoto Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core material for electrophotographic developer and method...
- Patent number 11,112,716
- Issue date Sep 7, 2021
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic core material for electrophotographic developer, carrier f...
- Patent number 11,099,495
- Issue date Aug 24, 2021
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, electrophotographic developer and production method of car...
- Patent number 11,029,618
- Issue date Jun 8, 2021
- Powdertech Co., Ltd.
- Aya Sakuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic core material for electrophotographic developer, carrier f...
- Patent number 10,996,576
- Issue date May 4, 2021
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic core material for electrophotographic developer, carrier f...
- Patent number 10,996,579
- Issue date May 4, 2021
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic core material for electrophotographic developer, carrier f...
- Patent number 10,969,706
- Issue date Apr 6, 2021
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic core material for electrophotographic developer, carrier f...
- Patent number 10,754,271
- Issue date Aug 25, 2020
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier, electrophotographic developer, and method of manufacturing...
- Patent number 10,248,039
- Issue date Apr 2, 2019
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier and electrophotographic developer using the carrier
- Patent number 10,036,982
- Issue date Jul 31, 2018
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin-filled ferrite carrier for electrophotographic developer and...
- Patent number 9,588,453
- Issue date Mar 7, 2017
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Core material for resin-filled ferrite carrier and ferrite carrier...
- Patent number 9,201,328
- Issue date Dec 1, 2015
- Powdertech Co., Ltd.
- Hiroki Sawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20210080847
- Publication date Mar 18, 2021
- Powdertech Co., Ltd.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD...
- Publication number 20200241435
- Publication date Jul 30, 2020
- POWDERTECH CO., LTD.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...
- Publication number 20200057399
- Publication date Feb 20, 2020
- Powdertech Co., Ltd.
- Makoto ISHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20200033746
- Publication date Jan 30, 2020
- Powdertech Co., Ltd.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20200026211
- Publication date Jan 23, 2020
- Powdertech Co., Ltd.
- Hiroki SAWAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20190346783
- Publication date Nov 14, 2019
- Powdertech Co., Ltd.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20190339628
- Publication date Nov 7, 2019
- Powdertech Co., Ltd.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20190204761
- Publication date Jul 4, 2019
- Powdertech Co., Ltd.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, ELECTROPHOTOGRAPHIC DEVELOPER AND PRODUCTION METHOD OF CAR...
- Publication number 20190049870
- Publication date Feb 14, 2019
- POWDERTECH CO., LTD.
- Aya SAKUTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, ELECTROPHOTOGRAPHIC DEVELOPER, AND METHOD OF MANUFACTURING...
- Publication number 20180074426
- Publication date Mar 15, 2018
- POWDERTECH CO., LTD.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER
- Publication number 20160216643
- Publication date Jul 28, 2016
- POWDERTECH CO., LTD.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...
- Publication number 20150277256
- Publication date Oct 1, 2015
- POWDERTECH CO., LTD.
- Hiroki SAWAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RESIN-FILLED FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND...
- Publication number 20150277255
- Publication date Oct 1, 2015
- POWDERTECH CO., LTD.
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CORE MATERIAL FOR RESIN-FILLED FERRITE CARRIER AND FERRITE CARRIER...
- Publication number 20140287355
- Publication date Sep 25, 2014
- Hiroki SAWAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroki SAWAMOTO

Person

Patents Grantslast 30 patents

Ferrite carrier core material for electrophotographic developer, fe...

Carrier core material for electrophotographic developer and method...

Magnetic core material for electrophotographic developer, carrier f...

Carrier, electrophotographic developer and production method of car...

Magnetic core material for electrophotographic developer, carrier f...

Magnetic core material for electrophotographic developer, carrier f...

Magnetic core material for electrophotographic developer, carrier f...

Magnetic core material for electrophotographic developer, carrier f...

Carrier, electrophotographic developer, and method of manufacturing...

Carrier and electrophotographic developer using the carrier

Resin-filled ferrite carrier for electrophotographic developer and...

Core material for resin-filled ferrite carrier and ferrite carrier...

Patents Applicationslast 30 patents

MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD...

FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...

MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

CARRIER, ELECTROPHOTOGRAPHIC DEVELOPER AND PRODUCTION METHOD OF CAR...

CARRIER, ELECTROPHOTOGRAPHIC DEVELOPER, AND METHOD OF MANUFACTURING...

CARRIER AND ELECTROPHOTOGRAPHIC DEVELOPER USING THE CARRIER

FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, FE...

RESIN-FILLED FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND...

CORE MATERIAL FOR RESIN-FILLED FERRITE CARRIER AND FERRITE CARRIER...