Masumi Ito

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Glass fine particle deposit and method for manufacturing glass preform
- Patent number 12,012,349
- Issue date Jun 18, 2024
- Sumitomo Electric Industries, Ltd.
- Masatoshi Hayakawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber sheet
- Patent number 9,186,078
- Issue date Nov 17, 2015
- Sumitomo Electric Industries, Ltd.
- Kazuyuki Sohma
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Single-mode optical fibers and fabrication methods thereof
- Patent number 6,625,360
- Issue date Sep 23, 2003
- Sumitomo Electric Industries, Ltd.
- Takeshi Kyogoku
- G02 - OPTICS
Information Patent Grant
Increasing a fluorine compound flow rate during a VAD process
- Patent number 5,895,515
- Issue date Apr 20, 1999
- Sumitomo Electric Industries, Ltd.
- Shinji Ishikawa
- G02 - OPTICS
Information Patent Grant
Low transmission loss optical fiber having a grating
- Patent number 5,883,990
- Issue date Mar 16, 1999
- Sumitomo Electric Industries, Ltd.
- Eisuke Sasaoka
- G02 - OPTICS
Information Patent Grant
Optical fiber grating and method of manufacturing the same
- Patent number 5,867,618
- Issue date Feb 2, 1999
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- G02 - OPTICS
Information Patent Grant
Optical connector
- Patent number 5,859,944
- Issue date Jan 12, 1999
- Sumitomo Electric Industries, Ltd.
- Akira Inoue
- G02 - OPTICS
Information Patent Grant
Method for drawing glass preform for optical fiber
- Patent number 5,788,734
- Issue date Aug 4, 1998
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical waveguide and process for producing it
- Patent number 5,790,726
- Issue date Aug 4, 1998
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- G02 - OPTICS
Information Patent Grant
Method for elongating glass preform
- Patent number 5,755,849
- Issue date May 26, 1998
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for production of glass preform for optical fiber including...
- Patent number 5,693,115
- Issue date Dec 2, 1997
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing single-mode optical fiber
- Patent number 5,676,725
- Issue date Oct 14, 1997
- Sumitomo Electric Industries Ltd.
- Masumi Ito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical waveguide and process for producing it
- Patent number 5,627,933
- Issue date May 6, 1997
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- G02 - OPTICS
Information Patent Grant
Process for producing a vanadium-phosphorus oxide catalyst precursor
- Patent number 5,591,870
- Issue date Jan 7, 1997
- Mitsubishi Chemical Corporation
- Masakatsu Hatano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a phosphorus-vanadium oxide catalyst precurso...
- Patent number 5,530,144
- Issue date Jun 25, 1996
- Mitsubishi Chemical Corporation
- Yasushi Tsurita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus for vitrifying soot preform for optical fiber
- Patent number 5,513,983
- Issue date May 7, 1996
- Sumitomo Electric Industries, Inc.
- Masumi Ito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber component optical coupler and method of producing the...
- Patent number RE35222
- Issue date Apr 30, 1996
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- 385 - Optical waveguides
Information Patent Grant
Oxide catalyst and process for producing maleic anhydride by using...
- Patent number 5,498,731
- Issue date Mar 12, 1996
- Mitsubishi Chemical Corporation
- Yasushi Tsurita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing a vanadium-phosphorus oxide catalyst precursor
- Patent number 5,496,787
- Issue date Mar 5, 1996
- Mitsubishi Chemical Corporation
- Masakatsu Hatano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for consolidation of porous preform for optical fiber
- Patent number 5,470,369
- Issue date Nov 28, 1995
- Sumitomo Electric Industries, Ltd.
- Ichiro Tsuchiya
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing thin glass film by sol-gel method
- Patent number 5,368,887
- Issue date Nov 29, 1994
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,330,548
- Issue date Jul 19, 1994
- Sumitomo Electric Industries, Ltd.
- Toshio Danzuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,314,518
- Issue date May 24, 1994
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Quartz optical waveguide and method for producing the same
- Patent number 5,243,677
- Issue date Sep 7, 1993
- Sumitomo Electric Industries, Ltd.
- Hiroo Kanamori
- G02 - OPTICS
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,236,482
- Issue date Aug 17, 1993
- Sumitomo Electric Industries, Ltd.
- Toshio Danzuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical switch
- Patent number 5,224,185
- Issue date Jun 29, 1993
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- G02 - OPTICS
Information Patent Grant
Method for producing glass article
- Patent number 5,207,813
- Issue date May 4, 1993
- Sumitomo Electric Industries, Ltd.
- Toshio Danzuka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber component optical coupler and method of producing the...
- Patent number 5,202,947
- Issue date Apr 13, 1993
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- G02 - OPTICS
Information Patent Grant
Method for producing rare earth element-doped glass by sol-gel process
- Patent number 5,196,383
- Issue date Mar 23, 1993
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Quartz optical waveguide and method for producing the same
- Patent number 5,193,137
- Issue date Mar 9, 1993
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
GLASS FINE PARTICLE DEPOSIT AND METHOD FOR MANUFACTURING GLASS PREFORM
- Publication number 20220162111
- Publication date May 26, 2022
- Sumitomo Electric Industries, Ltd.
- Masatoshi HAYAKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR MANUFACTURING GLASS FINE PARTICLE DEPOSIT AND METHOD FOR...
- Publication number 20220033294
- Publication date Feb 3, 2022
- Sumitomo Electric Industries, Ltd.
- Masatoshi HAYAKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING GLASS PARTICULATE DEPOSIT
- Publication number 20210246065
- Publication date Aug 12, 2021
- Sumitomo Electric Industries, Ltd.
- Masatoshi HAYAKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR MANUFACTURING GLASS PREFORM
- Publication number 20210122664
- Publication date Apr 29, 2021
- Sumitomo Electric Industries, Ltd.
- Masatoshi HAYAKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING GLASS PARTICULATE DEPOSIT, METHOD FOR PRODUCIN...
- Publication number 20200262735
- Publication date Aug 20, 2020
- Sumitomo Electric Industries, Ltd.
- Masatoshi HAYAKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING GLASS FINE PARTICLE DEPOSIT, METHOD FOR PRODUC...
- Publication number 20200223736
- Publication date Jul 16, 2020
- Sumitomo Electric Industries, Ltd.
- Masatoshi HAYAKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
INFORMATION PROCESSING APPARATUS, DATA PROCESSING SYSTEM AND DATA P...
- Publication number 20160105508
- Publication date Apr 14, 2016
- Fujitsu Limited
- Masumi Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR MANUFACTURING FILM, FILM-MANUFACTURING PROCESS MONITOR D...
- Publication number 20160041090
- Publication date Feb 11, 2016
- Akinori KIMURA
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
OPTICAL FIBER SHEET
- Publication number 20140270669
- Publication date Sep 18, 2014
- Kazuyuki Sohma
- G02 - OPTICS
Information Patent Application
Hexagonal Wurtzite Type Single Crystal, Process For Producing The S...
- Publication number 20080056984
- Publication date Mar 6, 2008
- Tokyo Denpa Co., Ltd.
- Kenji Yoshioka
- C30 - CRYSTAL GROWTH
Information Patent Application
Zinc oxide single crystal
- Publication number 20060124051
- Publication date Jun 15, 2006
- MITSUBISHI CHEMICAL CORPORATION
- Kenji Yoshioka
- C30 - CRYSTAL GROWTH
Information Patent Application
Single-mode optical fibers and fabrication methods thereof
- Publication number 20020021877
- Publication date Feb 21, 2002
- Takeshi Kyogoku
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Glass fine particle deposit and method for manufacturing glass preform

Optical fiber sheet

Single-mode optical fibers and fabrication methods thereof

Increasing a fluorine compound flow rate during a VAD process

Low transmission loss optical fiber having a grating

Optical fiber grating and method of manufacturing the same

Optical connector

Method for drawing glass preform for optical fiber

Optical waveguide and process for producing it

Method for elongating glass preform

Process for production of glass preform for optical fiber including...

Method of manufacturing single-mode optical fiber

Optical waveguide and process for producing it

Process for producing a vanadium-phosphorus oxide catalyst precursor

Process for producing a phosphorus-vanadium oxide catalyst precurso...

Apparatus for vitrifying soot preform for optical fiber

Optical fiber component optical coupler and method of producing the...

Oxide catalyst and process for producing maleic anhydride by using...

Process for producing a vanadium-phosphorus oxide catalyst precursor

Process for consolidation of porous preform for optical fiber

Process for producing thin glass film by sol-gel method

Method for producing glass preform for optical fiber

Method for producing glass preform for optical fiber

Quartz optical waveguide and method for producing the same

Method for producing glass preform for optical fiber

Optical switch

Method for producing glass article

Optical fiber component optical coupler and method of producing the...

Method for producing rare earth element-doped glass by sol-gel process

Quartz optical waveguide and method for producing the same

Patents Applicationslast 30 patents

GLASS FINE PARTICLE DEPOSIT AND METHOD FOR MANUFACTURING GLASS PREFORM

METHOD FOR MANUFACTURING GLASS FINE PARTICLE DEPOSIT AND METHOD FOR...

METHOD FOR PRODUCING GLASS PARTICULATE DEPOSIT

METHOD FOR MANUFACTURING GLASS PREFORM

METHOD FOR PRODUCING GLASS PARTICULATE DEPOSIT, METHOD FOR PRODUCIN...

METHOD FOR PRODUCING GLASS FINE PARTICLE DEPOSIT, METHOD FOR PRODUC...

INFORMATION PROCESSING APPARATUS, DATA PROCESSING SYSTEM AND DATA P...

METHOD FOR MANUFACTURING FILM, FILM-MANUFACTURING PROCESS MONITOR D...

OPTICAL FIBER SHEET

Hexagonal Wurtzite Type Single Crystal, Process For Producing The S...

Zinc oxide single crystal

Single-mode optical fibers and fabrication methods thereof