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Patents Grants
last 30 patents
Information
Patent Grant
Cellulose acetate fiber, cellulose acetate band, and method for man...
Patent number
11,920,261
Issue date
Mar 5, 2024
Daicel Corporation
Kyokutou Ga
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Endoscope apparatus, endoscope image processing apparatus, endoscop...
Patent number
11,889,988
Issue date
Feb 6, 2024
Olympus Corporation
Hiroki Taniguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical transmission system, optical transmitting apparatus and opt...
Patent number
11,855,699
Issue date
Dec 26, 2023
Nippon Telegraph and Telephone Corporation
Shuto Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Strong cation exchange chromatographic matrix and method for using...
Patent number
11,801,505
Issue date
Oct 31, 2023
Asahi Kasei Medical Co., Ltd.
Hiroki Taniguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Symbol judgement apparatus and symbol judgement method
Patent number
11,706,065
Issue date
Jul 18, 2023
Nippon Telegraph and Telephone Corporation
Hiroki Taniguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system
Patent number
11,581,944
Issue date
Feb 14, 2023
Nippon Telegraph and Telephone Corporation
Shuto Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Cellulose acetate and cellulose acetate composition
Patent number
11,572,457
Issue date
Feb 7, 2023
Daicel Corporation
Hiroyuki Matsumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose acetate composition for thermoforming, molded article, an...
Patent number
11,512,183
Issue date
Nov 29, 2022
Daicel Corporation
Kyokutou Ga
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical transmission system
Patent number
11,444,694
Issue date
Sep 13, 2022
Nippon Telegraph and Telephone Corporation
Shuto Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Symbol-determining device and symbol determination method
Patent number
11,349,524
Issue date
May 31, 2022
Nippon Telegraph and Telephone Corporation
Hiroki Taniguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cellulose acetate fiber, cellulose acetate fiber molded article, an...
Patent number
10,889,916
Issue date
Jan 12, 2021
Daicel Corporation
Shu Shimamoto
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Grant
Cellulose acetate with a low degree of substitution
Patent number
10,703,825
Issue date
Jul 7, 2020
Daicel Corporation
Shizuka Ukita
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for purifying antibody protein
Patent number
10,400,007
Issue date
Sep 3, 2019
Asahi Kasei Medical Co., Ltd.
Hiroki Taniguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cation exchange chromatographic support and method for using same
Patent number
10,308,678
Issue date
Jun 4, 2019
Asahi Kasei Medical Co., Ltd.
Hiroki Taniguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Image processing device and image processing method
Patent number
10,290,099
Issue date
May 14, 2019
Hitachi, Ltd.
Shino Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for image display control
Patent number
9,710,146
Issue date
Jul 18, 2017
Hitachi, Ltd.
Tatsuya Tokunaga
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Conductive cellulose-based resin composition
Patent number
9,543,057
Issue date
Jan 10, 2017
Daicel Corporation
Toshikazu Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Image display device, image display system, and image display method
Patent number
9,478,021
Issue date
Oct 25, 2016
Hitachi, Ltd.
Miho Isokawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Image display device, method and program
Patent number
9,437,037
Issue date
Sep 6, 2016
Hitachi Medical Corporation
Miho Isokawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composite particle, cigarette filter and process for producing the...
Patent number
9,386,802
Issue date
Jul 12, 2016
Daicel Corporation
Hiroki Taniguchi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Cigarette filter
Patent number
9,289,013
Issue date
Mar 22, 2016
Daicel Corporation
Hiroki Taniguchi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Cigarette filter, process for producing the same, and cigarette
Patent number
9,204,669
Issue date
Dec 8, 2015
Daicel Corporation
Hiroki Taniguchi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Tobacco filter containing magnesium aluminometasilicate
Patent number
8,978,662
Issue date
Mar 17, 2015
Daicel Chemical Industries, Ltd.
Hiroki Taniguchi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Image processing method, image processing apparatus and program
Patent number
8,774,483
Issue date
Jul 8, 2014
Hitachi Medical Corporation
Hanae Yoshida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cigarette filter material and cigarette filter
Patent number
7,942,154
Issue date
May 17, 2011
Daicel Chemical Industries, Ltd.
Hiroki Taniguchi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Method for producing cellulose acetate film
Patent number
7,148,344
Issue date
Dec 12, 2006
Daicel Chemical Industries, Ltd.
Yukiko Nakanishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose acetate and dope containing the same
Patent number
7,122,660
Issue date
Oct 17, 2006
Daicel Chemical Industries, Ltd.
Yukiko Nakanishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose acetates and process for producing the cellulose acetates
Patent number
6,803,458
Issue date
Oct 12, 2004
Daicel Chemical Industries, Ltd.
Toru Ozaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose ester composition
Patent number
6,139,785
Issue date
Oct 31, 2000
Daicel Chemical Industries, Ltd.
Yuichiro Shuto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose acetate excellent in physical strength, and process for p...
Patent number
5,990,304
Issue date
Nov 23, 1999
Daicel Chemical Industries, Ltd.
Atsunobu Kiyose
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
SYMBOL DETERMINATION DEVICE AND TAP SELECTION METHOD
Publication number
20230361881
Publication date
Nov 9, 2023
Nippon Telegraph and Telephone Corporation
Hiroki TANIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENDOSCOPE PROCESSOR, ENDOSCOPE APPARATUS, AND DIAGNOSTIC IMAGE DISP...
Publication number
20230360298
Publication date
Nov 9, 2023
OLYMPUS MEDICAL SYSTEMS CORP.
Akihiro KUBOTA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, CONTROL APPARATUS, OPTICAL TRANSMISSIO...
Publication number
20230291482
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Shuto YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL DEMODULATOR, CONTROL METHOD AND PROGRAM
Publication number
20230261759
Publication date
Aug 17, 2023
Nippon Telegraph and Telephone Corporation
Shuto YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CELLULOSE ACETATE AND CELLULOSE ACETATE COMPOSITION
Publication number
20230130981
Publication date
Apr 27, 2023
Daicel Corporation
Hiroyuki MATSUMURA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMITTING APPARATUS AND OPT...
Publication number
20230071063
Publication date
Mar 9, 2023
Nippon Telegraph and Telephone Corporation
Shuto YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CELLULOSE ACETATE AND CELLULOSE ACETATE COMPOSITION
Publication number
20220227973
Publication date
Jul 21, 2022
Daicel Corporation
Hiroyuki MATSUMURA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SYMBOL JUDGEMENT APPARATUS AND SYMBOL JUDGEMENT METHOD
Publication number
20220224575
Publication date
Jul 14, 2022
Nippon Telegraph and Telephone Corporation
Hiroki TANIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLYAMIDE MEDIUM FOR PURIFYING PROTEIN-CONTAINING SOLUTION AND METH...
Publication number
20220212167
Publication date
Jul 7, 2022
ASAHI KASEI MEDICAL CO., LTD.
Hiroki TANIGUCHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PURIFYING PROTEIN
Publication number
20220177518
Publication date
Jun 9, 2022
ASAHI KASEI MEDICAL CO., LTD.
Akika FUTAMURA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
STRONG CATION EXCHANGE CHROMATOGRAPHIC MATRIX AND METHOD FOR USING...
Publication number
20220126282
Publication date
Apr 28, 2022
ASAHI KASEI MEDICAL CO., LTD.
Hiroki TANIGUCHI
G01 - MEASURING TESTING
Information
Patent Application
ENDOSCOPE APPARATUS, ENDOSCOPE IMAGE PROCESSING APPARATUS, ENDOSCOP...
Publication number
20210400181
Publication date
Dec 23, 2021
OLYMPUS CORPORATION
Hiroki TANIGUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CELLULOSE ACETATE COMPOSITION FOR THERMOFORMING, MOLDED ARTICLE, AN...
Publication number
20210380782
Publication date
Dec 9, 2021
DAICEL CORPORATION
Kyokutou GA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM
Publication number
20210367670
Publication date
Nov 25, 2021
Nippon Telegraph and Telephone Corporation
Shuto YAMAMOTO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM
Publication number
20210367671
Publication date
Nov 25, 2021
Nippon Telegraph and Telephone Corporation
Shuto YAMAMOTO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CELLULOSE ACETATE COMPOSITION AND MOLDED ARTICLE
Publication number
20210317288
Publication date
Oct 14, 2021
DAICEL CORPORATION
Kyokutou GA
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
CELLULOSE ACETATE FIBER, CELLULOSE ACETATE BAND, AND METHOD FOR MAN...
Publication number
20210180215
Publication date
Jun 17, 2021
DAICEL CORPORATION
Kyokutou GA
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
ENDOSCOPE APPARATUS, OPERATION METHOD OF ENDOSCOPE APPARATUS, AND I...
Publication number
20210100440
Publication date
Apr 8, 2021
OLYMPUS CORPORATION
Hiroki TANIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENDOSCOPE APPARATUS, OPERATION METHOD OF ENDOSCOPE APPARATUS, AND I...
Publication number
20210100441
Publication date
Apr 8, 2021
OLYMPUS CORPORATION
Hiroki TANIGUCHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
SYMBOL-DETERMINING DEVICE AND SYMBOL DETERMINATION METHOD
Publication number
20200389207
Publication date
Dec 10, 2020
Nippon Telegraph and Telephone Corporation
Hiroki TANIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STRONG CATION EXCHANGE CHROMATOGRAPHIC MATRIX AND METHOD FOR USING...
Publication number
20190217285
Publication date
Jul 18, 2019
ASAHI KASEI MEDICAL CO., LTD.
Hiroki TANIGUCHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PURIFYING PROTEIN
Publication number
20190023736
Publication date
Jan 24, 2019
ASAHI KASEI MEDICAL CO., LTD.
Yoshiro YOKOYAMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD
Publication number
20170278242
Publication date
Sep 28, 2017
Hitachi, Ltd
Shino TANAKA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
IMAGE PROCESSING APPARATUS AND STEREOSCOPIC DISPLAY METHOD
Publication number
20170272733
Publication date
Sep 21, 2017
Hiroki TANIGUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CATION-EXCHANGE CHROMATOGRAPHIC SUPPORT AND METHOD FOR USING SAME
Publication number
20170145050
Publication date
May 25, 2017
ASAHI KASEI MEDICAL CO., LTD.
Hiroki TANIGUCHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CELLULOSE ACETATE FIBER, CELLULOSE ACETATE FIBER MOLDED ARTICLE, AN...
Publication number
20160333500
Publication date
Nov 17, 2016
DAICEL CORPORATION
Shu SHIMAMOTO
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR PURIFYING ANTIBODY PROTEIN
Publication number
20160083419
Publication date
Mar 24, 2016
ASAHI KASEI MEDICAL CO., LTD.
Hiroki TANIGUCHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CELLULOSE ACETATE WITH A LOW DEGREE OF SUBSTITUTION
Publication number
20160032020
Publication date
Feb 4, 2016
DAICEL CORPORATION
Shizuka UKITA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CONDUCTIVE CELLULOSE-BASED RESIN COMPOSITION
Publication number
20150221410
Publication date
Aug 6, 2015
DAICEL CORPORATION
Toshikazu Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CIGARETTE FILTER
Publication number
20150164134
Publication date
Jun 18, 2015
DAICEL CORPORATION
Hiroki Taniguchi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES