Koji Nagai

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Printing apparatus and printed material manufacturing method
- Patent number 10,279,604
- Issue date May 7, 2019
- Ricoh Company, Ltd.
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing apparatus and printed material manufacturing method
- Patent number 9,873,266
- Issue date Jan 23, 2018
- Ricoh Company, Ltd.
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing apparatus and printed material manufacturing method
- Patent number 9,623,677
- Issue date Apr 18, 2017
- Ricoh Company, Ltd.
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus, image forming system, and method of produc...
- Patent number 9,399,358
- Issue date Jul 26, 2016
- Ricoh Company, Ltd.
- Tatsuro Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing apparatus, printing system, and method for manufacturing p...
- Patent number 9,387,696
- Issue date Jul 12, 2016
- Ricoh Company,Ltd.
- Hiroyuki Hiratsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing apparatus and printed material manufacturing method
- Patent number 9,259,924
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus, image forming system, and method of produc...
- Patent number 9,259,941
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Tatsuro Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
pH detecting device, printing system, and method for manufacturing...
- Patent number 9,242,482
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Haruki Saitoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,120,334
- Issue date Sep 1, 2015
- Ricoh Company, Ltd.
- Koji Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet recording apparatus and method for maintenance of inkjet rec...
- Patent number 8,794,738
- Issue date Aug 5, 2014
- Ricoh Company, Ltd.
- Satoshi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus and method for maintaining head
- Patent number 8,459,772
- Issue date Jun 11, 2013
- Ricoh Company, Ltd.
- Satoshi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,376,491
- Issue date Feb 19, 2013
- Ricoh Company, Ltd.
- Koji Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing device
- Patent number 7,654,199
- Issue date Feb 2, 2010
- Tohoku Ricoh Co., Ltd.
- Koji Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD
- Publication number 20180126751
- Publication date May 10, 2018
- RICOH COMPANY, LTD.
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD
- Publication number 20170182799
- Publication date Jun 29, 2017
- RICOH COMPANY, LTD.
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD
- Publication number 20160167402
- Publication date Jun 16, 2016
- RICOH COMPANY, LTD.
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND METHOD OF PRODUC...
- Publication number 20160129704
- Publication date May 12, 2016
- RICOH COMPANY, LTD.
- Tatsuro Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING APPARATUS, PRINTING SYSTEM, AND METHOD FOR MANUFACTURING P...
- Publication number 20150258811
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Hiroyuki Hiratsuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
pH DETECTING DEVICE, PRINTING SYSTEM, AND METHOD FOR MANUFACTURING...
- Publication number 20150258813
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Haruki Saitoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150202897
- Publication date Jul 23, 2015
- RICOH COMPANY, LTD.
- Koji Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND METHOD OF PRODUC...
- Publication number 20150165789
- Publication date Jun 18, 2015
- RICOH COMPANY, LTD.
- Tatsuro Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD
- Publication number 20140078212
- Publication date Mar 20, 2014
- Junji Nakai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120062628
- Publication date Mar 15, 2012
- RICOH COMPANY, LTD.
- Koji NAGAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD FOR MAINTAINING HEAD
- Publication number 20120001976
- Publication date Jan 5, 2012
- RICOH COMPANY, LTD.
- Satoshi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INKJET RECORDING APPARATUS AND METHOD FOR MAINTENANCE OF INKJET REC...
- Publication number 20110148982
- Publication date Jun 23, 2011
- RICOH COMPANY, LTD.,
- Satoshi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Printing device
- Publication number 20060266233
- Publication date Nov 30, 2006
- TOHOKU RICOH CO., LTD.
- Koji Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Printer operable in duplex print mode
- Publication number 20050076798
- Publication date Apr 14, 2005
- TOHOKU RICOH CO., LTD.
- Mitsuo Sato
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Person

Patents Grantslast 30 patents

Printing apparatus and printed material manufacturing method

Printing apparatus and printed material manufacturing method

Printing apparatus and printed material manufacturing method

Image forming apparatus, image forming system, and method of produc...

Printing apparatus, printing system, and method for manufacturing p...

Printing apparatus and printed material manufacturing method

Image forming apparatus, image forming system, and method of produc...

pH detecting device, printing system, and method for manufacturing...

Image forming apparatus and image forming method

Inkjet recording apparatus and method for maintenance of inkjet rec...

Image forming apparatus and method for maintaining head

Image forming apparatus

Printing device

Patents Applicationslast 30 patents

PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD

PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD

PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD

IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND METHOD OF PRODUC...

PRINTING APPARATUS, PRINTING SYSTEM, AND METHOD FOR MANUFACTURING P...

pH DETECTING DEVICE, PRINTING SYSTEM, AND METHOD FOR MANUFACTURING...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND METHOD OF PRODUC...

PRINTING APPARATUS AND PRINTED MATERIAL MANUFACTURING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND METHOD FOR MAINTAINING HEAD

INKJET RECORDING APPARATUS AND METHOD FOR MAINTENANCE OF INKJET REC...

Printing device

Printer operable in duplex print mode