Yoshitaka Akiyama

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Inspection apparatus and method of inspection
- Patent number 10,124,618
- Issue date Nov 13, 2018
- Ricoh Company, Ltd.
- Yoshitaka Akiyama
- G01 - MEASURING TESTING
Information Patent Grant
Image formation apparatus, method for examining discharge of transp...
- Patent number 9,290,005
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus, image forming system, image forming method...
- Patent number 9,254,683
- Issue date Feb 9, 2016
- Ricoh Company, Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid containing tank, liquid-jet head unit, and image forming app...
- Patent number 8,480,213
- Issue date Jul 9, 2013
- Ricoh Company, Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink ejection head unit and image forming apparatus
- Patent number 8,337,002
- Issue date Dec 25, 2012
- Ricoh Company, Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet head with high density nozzle packing
- Patent number 7,413,294
- Issue date Aug 19, 2008
- Ricoh Printing Systems, Ltd.
- Satoru Tobita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet head and ejection device
- Patent number 7,131,718
- Issue date Nov 7, 2006
- Ricoh Printing Systems, Ltd.
- Ryouta Matsufuji
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet recording head and inkjet recording apparatus using the same
- Patent number 7,090,340
- Issue date Aug 15, 2006
- Hitachi Printing Solutions, Ltd.
- Satoru Tobita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Housing used in inkjet head
- Patent number 7,077,511
- Issue date Jul 18, 2006
- Ricoh Printing Systems Ltd.
- Osamu Machida
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Ink jet print head and method of production thereof
- Patent number 6,679,589
- Issue date Jan 20, 2004
- Hitachi Printing Solutions, Ltd.
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Drive method for ink jet head
- Patent number 6,592,196
- Issue date Jul 15, 2003
- Hitachi Koki Co., Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing ink jet print head
- Patent number 6,457,222
- Issue date Oct 1, 2002
- Hitachi Koki Co., Ltd.
- Takuji Torii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printhead with reduced crosstalk
- Patent number 6,394,589
- Issue date May 28, 2002
- Hitachi Koki Co., Ltd.
- Charles A. Willus
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Drive method for an on-demand multi-nozzle ink jet head
- Patent number 6,378,972
- Issue date Apr 30, 2002
- Hitachi Koki Co., Ltd.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Drive voltage adjusting method for an on-demand multi-nozzle ink je...
- Patent number 6,328,397
- Issue date Dec 11, 2001
- Hitachi Koki Co., Ltd.
- Kazuo Shimizu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-nozzle ink jet head with dummy piezoelectric elements at both...
- Patent number 6,264,310
- Issue date Jul 24, 2001
- Hitachi Koki Co., Ltd.
- Takuji Toru
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of minimizing ink drop velocity variations in an on-demand m...
- Patent number 6,102,512
- Issue date Aug 15, 2000
- Hitachi Koki Co., Ltd.
- Takuji Torii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
On-demand multi-nozzle ink jet head
- Patent number 6,053,602
- Issue date Apr 25, 2000
- Hitachi Koki Company Ltd.
- Nobuhiro Noto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING APPARATUS, DATA GENERATION METHOD, AND IMAGE...
- Publication number 20240354539
- Publication date Oct 24, 2024
- RICOH COMPANY, LTD.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRINTER
- Publication number 20210155015
- Publication date May 27, 2021
- Yoshitaka AKIYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INSPECTION APPARATUS AND METHOD OF INSPECTION
- Publication number 20170232770
- Publication date Aug 17, 2017
- RICOH COMPANY, LTD.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMATION APPARATUS, METHOD FOR EXAMINING DISCHARGE OF TRANSP...
- Publication number 20160075146
- Publication date Mar 17, 2016
- RICOH COMPANY, LTD.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, IMAGE FORMING METHOD...
- Publication number 20140253651
- Publication date Sep 11, 2014
- RICOH COMPANY, LTD.
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID CONTAINING TANK, LIQUID-JET HEAD UNIT, AND IMAGE FORMING APP...
- Publication number 20110128334
- Publication date Jun 2, 2011
- RICOH COMPANY, LTD.
- Yoshitaka AKIYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK EJECTION HEAD UNIT AND IMAGE FORMING APPARATUS
- Publication number 20100328408
- Publication date Dec 30, 2010
- RICOH COMPANY, LTD.
- Yoshitaka AKIYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Housing used in inkjet head
- Publication number 20060187274
- Publication date Aug 24, 2006
- Osamu Machida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Inkjet head and ejection device
- Publication number 20040263579
- Publication date Dec 30, 2004
- Ryouta Matsufuji
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Inkjet head and method for manufacturing the same
- Publication number 20040174411
- Publication date Sep 9, 2004
- Hitachi Printing Solutions, Ltd.
- Toshiharu Sumiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Inkjet head
- Publication number 20040169704
- Publication date Sep 2, 2004
- Hitachi Printing Solutions, Ltd.
- Satoru Tobita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Inkjet recording head and inkjet recording apparatus using the same
- Publication number 20040109047
- Publication date Jun 10, 2004
- Hitachi Printing Solutions, Ltd.
- Satoru Tobita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Housing used in inkjet head
- Publication number 20040066431
- Publication date Apr 8, 2004
- Osamu Machida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink jet print head and method of production thereof
- Publication number 20020180844
- Publication date Dec 5, 2002
- Hiroshi Takahagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Drive method for ink jet head
- Publication number 20020057304
- Publication date May 16, 2002
- Yoshitaka Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Yoshitaka Akiyama

Person

Patents Grantslast 30 patents

Inspection apparatus and method of inspection

Image formation apparatus, method for examining discharge of transp...

Image forming apparatus, image forming system, image forming method...

Liquid containing tank, liquid-jet head unit, and image forming app...

Ink ejection head unit and image forming apparatus

Inkjet head with high density nozzle packing

Inkjet head and ejection device

Inkjet recording head and inkjet recording apparatus using the same

Housing used in inkjet head

Ink jet print head and method of production thereof

Drive method for ink jet head

Method of manufacturing ink jet print head

Ink jet printhead with reduced crosstalk

Drive method for an on-demand multi-nozzle ink jet head

Drive voltage adjusting method for an on-demand multi-nozzle ink je...

Multi-nozzle ink jet head with dummy piezoelectric elements at both...

Method of minimizing ink drop velocity variations in an on-demand m...

On-demand multi-nozzle ink jet head

Patents Applicationslast 30 patents

INFORMATION PROCESSING APPARATUS, DATA GENERATION METHOD, AND IMAGE...

PRINTER

INSPECTION APPARATUS AND METHOD OF INSPECTION

IMAGE FORMATION APPARATUS, METHOD FOR EXAMINING DISCHARGE OF TRANSP...

IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, IMAGE FORMING METHOD...

LIQUID CONTAINING TANK, LIQUID-JET HEAD UNIT, AND IMAGE FORMING APP...

INK EJECTION HEAD UNIT AND IMAGE FORMING APPARATUS

Housing used in inkjet head

Inkjet head and ejection device

Inkjet head and method for manufacturing the same

Inkjet head

Inkjet recording head and inkjet recording apparatus using the same

Housing used in inkjet head

Ink jet print head and method of production thereof

Drive method for ink jet head