Iwao OKAZAKI

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing optical fiber
- Patent number 12,291,481
- Issue date May 6, 2025
- Sumitomo Electric Industries, Ltd.
- Iwao Okazaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber manufacturing method and optical fiber manufacturing...
- Patent number 11,512,018
- Issue date Nov 29, 2022
- Sumitomo Electric Industries, Ltd.
- Takahiro Saito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber drawing method and drawing apparatus
- Patent number 11,312,651
- Issue date Apr 26, 2022
- Sumitomo Electric Industries, Ltd.
- Satoshi Yoshikawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber manufacturing method and optical fiber manufacturing...
- Patent number 11,292,740
- Issue date Apr 5, 2022
- Sumitomo Electric Industries, Ltd.
- Takahiro Saito
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing optical fiber
- Patent number 11,040,906
- Issue date Jun 22, 2021
- Sumitomo Electric Industries, Ltd.
- Tatsuya Konishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Seal structure of optical fiber drawing furnace, and method for dra...
- Patent number 10,487,001
- Issue date Nov 26, 2019
- Sumitomo Electric Industries, Ltd.
- Takashi Yamazaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber drawing method and optical fiber drawing apparatus
- Patent number 9,567,252
- Issue date Feb 14, 2017
- Sumitomo Electric Industries, Ltd.
- Iwao Okazaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber producing method and apparatus and optical fiber
- Patent number 9,475,722
- Issue date Oct 25, 2016
- Sumitomo Electric Industries, Ltd.
- Tadashi Enomoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass preform heating furnace
- Patent number 9,120,694
- Issue date Sep 1, 2015
- Sumitomo Electric Industries, Ltd.
- Tadashi Enomoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Polarized wave holding optical fiber, and method of producing the same
- Patent number 7,016,582
- Issue date Mar 21, 2006
- Sumitomo Electric Industries, Ltd.
- Iwao Okazaki
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING OPTICAL FIBER
- Publication number 20250236551
- Publication date Jul 24, 2025
- Sumitomo Electric Industries, Ltd.
- Takahiro NOMURA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER PRODUCTION DEVICE AND OPTICAL FIBER PRODUCTION METHOD
- Publication number 20250145524
- Publication date May 8, 2025
- Sumitomo Electric Industries, Ltd.
- Tomoya SUZUKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER
- Publication number 20240264364
- Publication date Aug 8, 2024
- Sumitomo Electric Industries, Ltd.
- Kazuyuki SOHMA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER
- Publication number 20240264365
- Publication date Aug 8, 2024
- Sumitomo Electric Industries, Ltd.
- Yudai WATANABE
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL FIBER
- Publication number 20240199480
- Publication date Jun 20, 2024
- Sumitomo Electric Industries, Ltd.
- Iwao OKAZAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER
- Publication number 20240192438
- Publication date Jun 13, 2024
- Sumitomo Electric Industries, Ltd.
- Takahiro NOMURA
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL FIBER AND OPTICAL FIBER
- Publication number 20240053535
- Publication date Feb 15, 2024
- Sumitomo Electric Industries, Ltd.
- Takahiro NOMURA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND MANUFACTURING APPARATUS
- Publication number 20230406751
- Publication date Dec 21, 2023
- Sumitomo Electric Industries, Ltd.
- Hiroshi KOHDA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
WINDING DEVICE AND WINDING METHOD
- Publication number 20220127104
- Publication date Apr 28, 2022
- Sumitomo Electric Industries, Ltd.
- Takahiro SAITO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SEAL STRUCTURE OF WIRE DRAWING FURNACE FOR OPTICAL FIBER, AND PRODU...
- Publication number 20220024800
- Publication date Jan 27, 2022
- Sumitomo Electric Industries, Ltd.
- Iwao OKAZAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING...
- Publication number 20200369554
- Publication date Nov 26, 2020
- Sumitomo Electric Industries, Ltd.
- Takahiro SAITO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING...
- Publication number 20200369556
- Publication date Nov 26, 2020
- Sumitomo Electric Industries, Ltd.
- Takahiro SAITO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL FIBER
- Publication number 20200199009
- Publication date Jun 25, 2020
- Sumitomo Electric Industries, Ltd.
- Tatsuya KONISHI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER DRAWING METHOD AND DRAWING APPARATUS
- Publication number 20190210910
- Publication date Jul 11, 2019
- Sumitomo Electric Industries, Ltd.
- Satoshi YOSHIKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER DRAWING METHOD AND OPTICAL FIBER DRAWING APPARATUS
- Publication number 20160002090
- Publication date Jan 7, 2016
- Sumitomo Electric Industries, Ltd.
- Iwao OKAZAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
SEAL STRUCTURE OF OPTICAL FIBER DRAWING FURNACE, AND METHOD FOR DRA...
- Publication number 20150321944
- Publication date Nov 12, 2015
- Sumitomo Electric Industries, Ltd.
- Takashi YAMAZAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER COOLING APPARATUS AND OPTICAL FIBER MANUFACTURING METHOD
- Publication number 20150101368
- Publication date Apr 16, 2015
- Sumitomo Electric Industries, Ltd.
- Norihiro UENOYAMA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER PRODUCING METHOD AND APPARATUS AND OPTICAL FIBER
- Publication number 20140226948
- Publication date Aug 14, 2014
- Tadashi Enomoto
- G02 - OPTICS
Information Patent Application
GLASS PREFORM HEATING FURNACE
- Publication number 20140196505
- Publication date Jul 17, 2014
- Sumitomo Electric Industries, Ltd.
- Tadashi Enomoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Polarized wave holding optical fiber, and method of producing the same
- Publication number 20040114895
- Publication date Jun 17, 2004
- Iwao Okazaki
- G02 - OPTICS

Iwao OKAZAKI

Person

Patents Grantslast 30 patents

Method for manufacturing optical fiber

Optical fiber manufacturing method and optical fiber manufacturing...

Optical fiber drawing method and drawing apparatus

Optical fiber manufacturing method and optical fiber manufacturing...

Method for manufacturing optical fiber

Seal structure of optical fiber drawing furnace, and method for dra...

Optical fiber drawing method and optical fiber drawing apparatus

Optical fiber producing method and apparatus and optical fiber

Glass preform heating furnace

Polarized wave holding optical fiber, and method of producing the same

Patents Applicationslast 30 patents

METHOD FOR MANUFACTURING OPTICAL FIBER

OPTICAL FIBER PRODUCTION DEVICE AND OPTICAL FIBER PRODUCTION METHOD

OPTICAL FIBER

OPTICAL FIBER

METHOD FOR MANUFACTURING OPTICAL FIBER

OPTICAL FIBER

METHOD FOR MANUFACTURING OPTICAL FIBER AND OPTICAL FIBER

OPTICAL FIBER MANUFACTURING METHOD AND MANUFACTURING APPARATUS

WINDING DEVICE AND WINDING METHOD

SEAL STRUCTURE OF WIRE DRAWING FURNACE FOR OPTICAL FIBER, AND PRODU...

OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING...

OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING...

METHOD FOR MANUFACTURING OPTICAL FIBER

OPTICAL FIBER DRAWING METHOD AND DRAWING APPARATUS

OPTICAL FIBER DRAWING METHOD AND OPTICAL FIBER DRAWING APPARATUS

SEAL STRUCTURE OF OPTICAL FIBER DRAWING FURNACE, AND METHOD FOR DRA...

OPTICAL FIBER COOLING APPARATUS AND OPTICAL FIBER MANUFACTURING METHOD

OPTICAL FIBER PRODUCING METHOD AND APPARATUS AND OPTICAL FIBER

GLASS PREFORM HEATING FURNACE

Polarized wave holding optical fiber, and method of producing the same