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Takafumi SASAKI
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Atsugi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Powder material for producing three-dimensional object, kit for pro...
Patent number
11,426,929
Issue date
Aug 30, 2022
Ricoh Company, Ltd.
Junjiroh Sogame
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Grant
Three-dimensional fabricating apparatus and three-dimensional fabri...
Patent number
11,390,022
Issue date
Jul 19, 2022
Ricoh Company, Ltd.
Soyoung Park
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Three-dimensional shaping apparatus, method for controlling three-d...
Patent number
11,084,274
Issue date
Aug 10, 2021
Ricoh Company, Ltd.
Takafumi Sasaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for producing three-dimensional objects, method for produ...
Patent number
11,045,976
Issue date
Jun 29, 2021
Ricoh Company, Ltd.
Takafumi Sasaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method and apparatus for fabricating three-dimensional object
Patent number
10,850,444
Issue date
Dec 1, 2020
Ricoh Company, Ltd.
Takafumi Sasaki
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Grant
Stereoscopic modeling apparatus, method of manufacturing stereoscop...
Patent number
10,464,241
Issue date
Nov 5, 2019
Ricoh Company, Ltd.
Takafumi Sasaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Stereoscopic modeling apparatus and stereoscopic modeling method
Patent number
10,442,141
Issue date
Oct 15, 2019
Ricoh Company, Ltd.
Takafumi Sasaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Control apparatus for three dimensional object fabrication apparatu...
Patent number
10,336,053
Issue date
Jul 2, 2019
Ricoh Company, Ltd.
Takafumi Sasaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Three-dimensional printing apparatus, three-dimensional object form...
Patent number
9,919,475
Issue date
Mar 20, 2018
Ricoh Company, Ltd.
Takafumi Sasaki
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Droplet discharge head, and image-forming apparatus
Patent number
9,096,061
Issue date
Aug 4, 2015
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Droplet discharge head, and image forming apparatus
Patent number
9,022,521
Issue date
May 5, 2015
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Droplet discharge head and image-forming apparatus including a firs...
Patent number
8,899,728
Issue date
Dec 2, 2014
Ricoh Company, Ltd.
Hideaki Nishimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid-jet head and liquid-jet head device
Patent number
8,882,241
Issue date
Nov 11, 2014
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid-jet head, liquid-jet device, and image forming apparatus
Patent number
8,851,634
Issue date
Oct 7, 2014
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid droplet ejecting head and image forming apparatus
Patent number
8,651,628
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus selecting pulses to form drive waveform
Patent number
8,414,097
Issue date
Apr 9, 2013
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus
Patent number
8,197,048
Issue date
Jun 12, 2012
Ricoh Company, Ltd.
Kunihiro Yamanaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid dispenser head, liquid dispensing unit using same, and image...
Patent number
8,042,911
Issue date
Oct 25, 2011
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus including liquid discharge head unit
Patent number
8,033,657
Issue date
Oct 11, 2011
Ricoh Company, Ltd.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
POWDER MATERIAL FOR PRODUCING THREE-DIMENSIONAL OBJECT, KIT FOR PRO...
Publication number
20210001543
Publication date
Jan 7, 2021
Junjiroh SOGAME
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
THREE-DIMENSIONAL FABRICATING APPARATUS AND THREE-DIMENSIONAL FABRI...
Publication number
20190283317
Publication date
Sep 19, 2019
RICOH COMPANY, LTD.
Soyoung PARK
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
APPARATUS FOR PRODUCING THREE-DIMENSIONAL OBJECTS, METHOD FOR PRODU...
Publication number
20170259456
Publication date
Sep 14, 2017
RICOH COMPANY, LTD.
Takafumi SASAKI
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
THREE-DIMENSIONAL SHAPING APPARATUS, METHOD FOR CONTROLLING THREE-D...
Publication number
20170173887
Publication date
Jun 22, 2017
RICOH COMPANY, LTD.
Takafumi SASAKI
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
CONTROL APPARATUS FOR THREE DIMENSIONAL OBJECT FABRICATION APPARATU...
Publication number
20170095979
Publication date
Apr 6, 2017
RICOH COMPANY, LTD.
Takafumi SASAKI
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
METHOD AND APPARATUS FOR FABRICATING THREE-DIMENSIONAL OBJECT
Publication number
20160368214
Publication date
Dec 22, 2016
RICOH COMPANY, LTD.
Takafumi SASAKI
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
STEREOSCOPIC MODELING APPARATUS AND STEREOSCOPIC MODELING METHOD
Publication number
20160243765
Publication date
Aug 25, 2016
Ricoh Company, Ltd.
Takafumi SASAKI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
STEREOSCOPIC MODELING APPARATUS, METHOD OF MANUFACTURING STEREOSCOP...
Publication number
20160214320
Publication date
Jul 28, 2016
Ricoh Company, Ltd.
Takafumi SASAKI
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
THREE-DIMENSIONAL PRINTING APPARATUS, THREE-DIMENSIONAL OBJECT FORM...
Publication number
20160075085
Publication date
Mar 17, 2016
RICOH COMPANY, LTD.
Takafumi SASAKI
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
DROPLET DISCHARGE HEAD, AND IMAGE-FORMING APPARATUS
Publication number
20150062255
Publication date
Mar 5, 2015
RICOH COMPANY, LTD.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET DISCHARGE HEAD, AND IMAGE FORMING APPARATUS
Publication number
20140078221
Publication date
Mar 20, 2014
RICOH COMPANY, LTD.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COMPOSITE COMPONENT MOLDING METAL MOLD, DROPLET DISCHARGE HEAD, ELE...
Publication number
20140071199
Publication date
Mar 13, 2014
RICOH COMPANY, LTD.
Yukitoshi Tajima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID-JET HEAD, LIQUID-JET DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20140036007
Publication date
Feb 6, 2014
RICOH COMPANY, LTD.
Takafumi SASAKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET DISCHARGE HEAD AND IMAGE-FORMING APPARATUS
Publication number
20140028756
Publication date
Jan 30, 2014
Hideaki NISHIMURA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DROPLET EJECTING HEAD AND IMAGE FORMING APPARATUS
Publication number
20130176363
Publication date
Jul 11, 2013
Takafumi SASAKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID-JET HEAD AND LIQUID-JET HEAD DEVICE
Publication number
20130070018
Publication date
Mar 21, 2013
RICOH COMPANY, LTD.
Takafumi SASAKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS SELECTING PULSES TO FORM DRIVE WAVEFORM
Publication number
20120069071
Publication date
Mar 22, 2012
RICOH COMPANY, LTD.
Takafumi SASAKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Image forming apparatus
Publication number
20090102907
Publication date
Apr 23, 2009
Kunihiro Yamanaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS INCLUDING LIQUID DISCHARGE HEAD UNIT
Publication number
20090009569
Publication date
Jan 8, 2009
RICOH COMPANY, LTD.
Takafumi Sasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISPENSER HEAD, LIQUID DISPENSING UNIT USING SAME, AND IMAGE...
Publication number
20080111862
Publication date
May 15, 2008
Takafumi SASAKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Liquid drop discharge head, liquid drop discharge device, and image...
Publication number
20070008388
Publication date
Jan 11, 2007
Kiyoshi Yamaguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS