Takeshi Akai

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid discharging head and liquid discharging apparatus
- Patent number 11,097,544
- Issue date Aug 24, 2021
- Ricoh Company, Ltd.
- Koichi Muramatsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge head, liquid discharge device, dispensing device,...
- Patent number 11,001,072
- Issue date May 11, 2021
- Ricoh Company, Ltd.
- Manabu Yamanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid droplet discharging unit, liquid droplet forming device, and...
- Patent number 10,807,372
- Issue date Oct 20, 2020
- Ricoh Company, Ltd.
- Takeshi Akai
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Sheet-material supply device
- Patent number 10,513,404
- Issue date Dec 24, 2019
- Ricoh Company, Ltd.
- Takeshi Akai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet-member separation device, sheet-member separation method, pro...
- Patent number 10,384,897
- Issue date Aug 20, 2019
- Ricoh Company, Ltd.
- Satoru Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sound absorber, sheet feeder incorporating the sound absorber, imag...
- Patent number 10,097,720
- Issue date Oct 9, 2018
- Ricoh Company, Ltd.
- Takaya Ochiai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stacking apparatus
- Patent number 10,065,824
- Issue date Sep 4, 2018
- Ricoh Company, Ltd.
- Yousuke Edo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device, image reading device incorporating the shee...
- Patent number 9,950,886
- Issue date Apr 24, 2018
- Ricoh Company, Ltd.
- Takehisa Shimazu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying device, sheet feeder, and image forming apparatus
- Patent number 9,938,099
- Issue date Apr 10, 2018
- Ricoh Company, Ltd.
- Takeshi Akai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device, sheet feeder, and image forming apparatus
- Patent number 9,834,398
- Issue date Dec 5, 2017
- Ricoh Company, Ltd.
- Youhei Niitsuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet processing device, image forming system, and computer-readabl...
- Patent number 9,624,061
- Issue date Apr 18, 2017
- Ricoh Company, Limited
- Shingo Matsushita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet processing device, image forming system, and method of additi...
- Patent number 9,359,167
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Akihiro Musha
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Auto document feeder and image forming apparatus
- Patent number 9,238,559
- Issue date Jan 19, 2016
- Ricoh Company, Limited
- Takeshi Akai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet processing device, image forming system, and method of additi...
- Patent number 9,221,648
- Issue date Dec 29, 2015
- Ricoh Company, Limited
- Keisuke Sugiyama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Automatic document feeder and image forming apparatus including the...
- Patent number 9,075,376
- Issue date Jul 7, 2015
- Ricoh Company, Limited
- Hiroaki Utagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image reading apparatus and image forming apparatus
- Patent number 9,013,763
- Issue date Apr 21, 2015
- Ricoh Company, Limited
- Hiroshi Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic document feeder, image reading device including the same,...
- Patent number 8,950,743
- Issue date Feb 10, 2015
- Ricoh Company, Limited
- Koki Sakano
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device, image reading device, and image forming app...
- Patent number 8,925,913
- Issue date Jan 6, 2015
- Ricoh Company, Limited
- Hiroshi Kubo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Document conveying device, image reading device, and image forming...
- Patent number 8,896,891
- Issue date Nov 25, 2014
- Ricoh Company, Limited
- Fumiyuki Heishi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device, image reading device, and image forming device
- Patent number 8,743,431
- Issue date Jun 3, 2014
- Ricoh Company, Limited
- Kenji Hayasaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image reader, auto document feeder, and image forming apparatus cap...
- Patent number 8,614,839
- Issue date Dec 24, 2013
- Ricoh Company, Ltd.
- Motoya Sano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image read device and copier
- Patent number 8,599,450
- Issue date Dec 3, 2013
- Ricoh Company, Ltd.
- Hiroshi Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Deep focus image reading system and image forming apparatus
- Patent number 8,570,623
- Issue date Oct 29, 2013
- Ricoh Company, Ltd.
- Takashi Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bookbinding system, bookbinding method, and recording medium storin...
- Patent number 8,331,847
- Issue date Dec 11, 2012
- Ricoh Company, Ltd.
- Shingo Matsushita
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Automatic document feeder, image reading system including same, and...
- Patent number 7,953,341
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Hideki Tobinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DROPLET DISCHARGE DEVICE AND DROPLET DISCHARGE METHOD
- Publication number 20230302828
- Publication date Sep 28, 2023
- RICOH COMPANY, LTD.
- Takeshi AKAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DROPLET DISCHARGE DEVICE
- Publication number 20230211335
- Publication date Jul 6, 2023
- RICOH COMPANY, LTD.
- Daisuke ARAI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
LIQUID DISCHARGE APPARATUS AND LIQUID FILLING METHOD
- Publication number 20220274405
- Publication date Sep 1, 2022
- Ruki MIDORIKAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, DISPENSING DEVICE,...
- Publication number 20200207112
- Publication date Jul 2, 2020
- Manabu YAMANAKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGING HEAD AND LIQUID DISCHARGING APPARATUS
- Publication number 20200139704
- Publication date May 7, 2020
- Koichi Muramatsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DROPLET DISCHARGING UNIT, LIQUID DROPLET FORMING DEVICE, AND...
- Publication number 20190232661
- Publication date Aug 1, 2019
- Takeshi AKAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SHEET CONVEYING DEVICE, IMAGE READING DEVICE INCORPORATING THE SHEE...
- Publication number 20170260015
- Publication date Sep 14, 2017
- RICOH COMPANY, LTD.
- Takehisa SHIMAZU
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET-MEMBER SEPARATION DEVICE, SHEET-MEMBER SEPARATION METHOD, PRO...
- Publication number 20170174458
- Publication date Jun 22, 2017
- Satoru Takano
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
STACKING APPARATUS
- Publication number 20170174462
- Publication date Jun 22, 2017
- Yousuke EDO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET-MATERIAL SUPPLY DEVICE
- Publication number 20170174453
- Publication date Jun 22, 2017
- Takeshi AKAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SOUND ABSORBER, SHEET FEEDER INCORPORATING THE SOUND ABSORBER, IMAG...
- Publication number 20170180586
- Publication date Jun 22, 2017
- RICOH COMPANY, LTD.
- Takaya Ochiai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SHEET CONVEYING DEVICE, SHEET FEEDER, AND IMAGE FORMING APPARATUS
- Publication number 20170108812
- Publication date Apr 20, 2017
- RICOH COMPANY, LTD.
- Youhei NIITSUMA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING DEVICE, SHEET FEEDER, AND IMAGE FORMING APPARATUS
- Publication number 20170101280
- Publication date Apr 13, 2017
- RICOH COMPANY, LTD.
- Takeshi AKAI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET PROCESSING DEVICE, IMAGE FORMING SYSTEM, AND COMPUTER-READABL...
- Publication number 20160221787
- Publication date Aug 4, 2016
- RICOH COMPANY, LIMITED
- Shingo MATSUSHITA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
AUTOMATIC DOCUMENT FEEDER, IMAGE READING DEVICE, IMAGE FORMING APPA...
- Publication number 20160170355
- Publication date Jun 16, 2016
- RICOH COMPANY, LIMITED
- Fumiyuki HEISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET PROCESSING DEVICE, IMAGE FORMING SYSTEM, AND METHOD OF ADDITI...
- Publication number 20150065326
- Publication date Mar 5, 2015
- Akihiro MUSHA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET PROCESSING DEVICE, IMAGE FORMING SYSTEM, AND METHOD OF ADDITI...
- Publication number 20150045197
- Publication date Feb 12, 2015
- Keisuke SUGIYAMA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
AUTO DOCUMENT FEEDER AND IMAGE FORMING APPARATUS
- Publication number 20140239573
- Publication date Aug 28, 2014
- RICOH COMPANY, LIMITED
- Takeshi AKAI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20140177012
- Publication date Jun 26, 2014
- RICOH COMPANY, LIMITED
- Hiroshi KUBO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTOMATIC DOCUMENT FEEDER, IMAGE SCANNING DEVICE, AND IMAGE FORMING...
- Publication number 20140140744
- Publication date May 22, 2014
- RICOH COMPANY, LIMITED
- Takeshi AKAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
AUTOMATIC DOCUMENT FEEDER, IMAGE READING DEVICE INCLUDING THE SAME,...
- Publication number 20140125007
- Publication date May 8, 2014
- RICOH COMPANY, LIMITED
- Koki SAKANO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APP...
- Publication number 20130320611
- Publication date Dec 5, 2013
- RICOH COMPANY, LTD.
- Hiroshi KUBO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
AUTOMATIC DOCUMENT FEEDER AND IMAGE FORMING APPARATUS INCLUDING THE...
- Publication number 20130315610
- Publication date Nov 28, 2013
- RICOH COMPANY, LIMITED
- Hiroaki UTAGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DOCUMENT CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING...
- Publication number 20130242359
- Publication date Sep 19, 2013
- RICOH COMPANY, LIMITED
- Fumiyuki HEISHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING DEVICE
- Publication number 20130215481
- Publication date Aug 22, 2013
- Kenji HAYASAKA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE READ DEVICE AND COPIER
- Publication number 20120002252
- Publication date Jan 5, 2012
- Ricoh Company, Limited
- Hiroshi Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Deep focus image reading system and image forming apparatus
- Publication number 20100225983
- Publication date Sep 9, 2010
- Ricoh Company, Ltd.
- Takashi Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image reader, auto document feeder, and image forming apparatus cap...
- Publication number 20100027081
- Publication date Feb 4, 2010
- Ricoh Company, Ltd.
- Motoya Sano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bookbinding system, bookbinding method, and recording medium storin...
- Publication number 20090257846
- Publication date Oct 15, 2009
- Ricoh Company, Ltd.
- Shingo Matsushita
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Automatic document feeder, image reading system including same, and...
- Publication number 20080308995
- Publication date Dec 18, 2008
- Ricoh Company, Ltd.
- Hideki Tobinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takeshi Akai

Person

Patents Grantslast 30 patents

Liquid discharging head and liquid discharging apparatus

Liquid discharge head, liquid discharge device, dispensing device,...

Liquid droplet discharging unit, liquid droplet forming device, and...

Sheet-material supply device

Sheet-member separation device, sheet-member separation method, pro...

Sound absorber, sheet feeder incorporating the sound absorber, imag...

Stacking apparatus

Sheet conveying device, image reading device incorporating the shee...

Sheet conveying device, sheet feeder, and image forming apparatus

Sheet conveying device, sheet feeder, and image forming apparatus

Sheet processing device, image forming system, and computer-readabl...

Sheet processing device, image forming system, and method of additi...

Auto document feeder and image forming apparatus

Sheet processing device, image forming system, and method of additi...

Automatic document feeder and image forming apparatus including the...

Image reading apparatus and image forming apparatus

Automatic document feeder, image reading device including the same,...

Sheet conveying device, image reading device, and image forming app...

Document conveying device, image reading device, and image forming...

Sheet conveying device, image reading device, and image forming device

Image reader, auto document feeder, and image forming apparatus cap...

Image read device and copier

Deep focus image reading system and image forming apparatus

Bookbinding system, bookbinding method, and recording medium storin...

Automatic document feeder, image reading system including same, and...

Patents Applicationslast 30 patents

DROPLET DISCHARGE DEVICE AND DROPLET DISCHARGE METHOD

DROPLET DISCHARGE DEVICE

LIQUID DISCHARGE APPARATUS AND LIQUID FILLING METHOD

LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, DISPENSING DEVICE,...

LIQUID DISCHARGING HEAD AND LIQUID DISCHARGING APPARATUS

LIQUID DROPLET DISCHARGING UNIT, LIQUID DROPLET FORMING DEVICE, AND...

SHEET CONVEYING DEVICE, IMAGE READING DEVICE INCORPORATING THE SHEE...

SHEET-MEMBER SEPARATION DEVICE, SHEET-MEMBER SEPARATION METHOD, PRO...

STACKING APPARATUS

SHEET-MATERIAL SUPPLY DEVICE

SOUND ABSORBER, SHEET FEEDER INCORPORATING THE SOUND ABSORBER, IMAG...

SHEET CONVEYING DEVICE, SHEET FEEDER, AND IMAGE FORMING APPARATUS

SHEET CONVEYING DEVICE, SHEET FEEDER, AND IMAGE FORMING APPARATUS

SHEET PROCESSING DEVICE, IMAGE FORMING SYSTEM, AND COMPUTER-READABL...

AUTOMATIC DOCUMENT FEEDER, IMAGE READING DEVICE, IMAGE FORMING APPA...

SHEET PROCESSING DEVICE, IMAGE FORMING SYSTEM, AND METHOD OF ADDITI...

SHEET PROCESSING DEVICE, IMAGE FORMING SYSTEM, AND METHOD OF ADDITI...

AUTO DOCUMENT FEEDER AND IMAGE FORMING APPARATUS

IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS

AUTOMATIC DOCUMENT FEEDER, IMAGE SCANNING DEVICE, AND IMAGE FORMING...

AUTOMATIC DOCUMENT FEEDER, IMAGE READING DEVICE INCLUDING THE SAME,...

SHEET CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APP...

AUTOMATIC DOCUMENT FEEDER AND IMAGE FORMING APPARATUS INCLUDING THE...

DOCUMENT CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING...

SHEET CONVEYING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING DEVICE

IMAGE READ DEVICE AND COPIER

Deep focus image reading system and image forming apparatus

Image reader, auto document feeder, and image forming apparatus cap...

Bookbinding system, bookbinding method, and recording medium storin...

Automatic document feeder, image reading system including same, and...