Hiroyasu Toyooka

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-core/single-core conversion module and multi-core/single-core...
- Patent number 10,101,551
- Issue date Oct 16, 2018
- Sei Optifrontier Co., Ltd.
- Junji Fukui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber cutter
- Patent number 9,395,492
- Issue date Jul 19, 2016
- Sei Optifrontier Co., Ltd.
- Masahiro Hasegawa
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Optical fiber fusion splicer
- Patent number D759138
- Issue date Jun 14, 2016
- SEI Optifrontier Co., Ltd.
- Ryuichiro Sato
- D15 - Machines not elsewhere specified
Information Patent Grant
Method of fusion-splicing optical fibers and fusion splicer
- Patent number 9,235,005
- Issue date Jan 12, 2016
- SEI Optifrontier Co., Ltd.
- Ryuichiro Sato
- G02 - OPTICS
Information Patent Grant
Optical fiber fusion splicer
- Patent number D746885
- Issue date Jan 5, 2016
- SEI Optifrontier Co., Ltd.
- Ryuichiro Sato
- D15 - Machines not elsewhere specified
Information Patent Grant
Optical fiber holder and method for holding coated optical fiber
- Patent number 8,861,920
- Issue date Oct 14, 2014
- Sumitomo Electric Industries, Ltd.
- Ryuichiro Sato
- G02 - OPTICS
Information Patent Grant
Carrying case for an optical fiber fusion splicer
- Patent number D709286
- Issue date Jul 22, 2014
- SEI Optrifrontier Co., Ltd.
- Hiroshi Takayanagi
- D03 - Travel goods and personal belongings
Information Patent Grant
Spliced optical cable assembly
- Patent number 8,641,300
- Issue date Feb 4, 2014
- Sumitomo Electric Industries, Ltd.
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Grant
Optical fiber cutter
- Patent number D694602
- Issue date Dec 3, 2013
- SEI Optifrontier Co., Ltd.
- Masahiro Hasegawa
- D08 - Tools and hardware
Information Patent Grant
Pushing part for an optical fiber cutter
- Patent number D692739
- Issue date Nov 5, 2013
- SEI Optifrontier Co., Ltd.
- Masahiro Hasegawa
- D08 - Tools and hardware
Information Patent Grant
Cutter blade assembly for an optical fiber cutter
- Patent number D692740
- Issue date Nov 5, 2013
- SEI Optifrontier Co., Ltd.
- Masahiro Hasegawa
- D08 - Tools and hardware
Information Patent Grant
Guide pin for optical fiber connectors and optical fiber connector...
- Patent number 6,497,516
- Issue date Dec 24, 2002
- Sumitomo Electric Industries, Ltd.
- Hiroyasu Toyooka
- G02 - OPTICS
Information Patent Grant
Optical fiber connector with non-PC-coupling
- Patent number 6,123,463
- Issue date Sep 26, 2000
- Sumitomo Electric Industries, Ltd.
- Koji Kashihara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL CONNECTOR AND OPTICAL FIBER WITH CONNECTOR
- Publication number 20190391343
- Publication date Dec 26, 2019
- SEI Optifrontier Co., Ltd.
- Yohei AOSHIMA
- G02 - OPTICS
Information Patent Application
MULTI-CORE/SINGLE-CORE CONVERSION MODULE AND MULTI-CORE/SINGLE-CORE...
- Publication number 20170359091
- Publication date Dec 14, 2017
- SEI Optifrontier Co., Ltd.
- Junji FUKUI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL FIBER CUTTER
- Publication number 20140000434
- Publication date Jan 2, 2014
- SEI Optifrontier Co., Ltd.
- Masahiro Hasegawa
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
METHOD OF FUSION-SPLICING OPTICAL FIBERS AND FUSION SPLICER
- Publication number 20130277356
- Publication date Oct 24, 2013
- SEI Optifrontier Co., Ltd.
- Ryuichiro Sato
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER HOLDER AND METHOD FOR HOLDING COATED OPTICAL FIBER
- Publication number 20120251068
- Publication date Oct 4, 2012
- Sumitomo Electric Industries, Ltd.
- Ryuichiro Sato
- G02 - OPTICS
Information Patent Application
REINFORCING MEMBER FOR OPTICAL FIBER FUSION-SPLICING PORTION AND RE...
- Publication number 20120243838
- Publication date Sep 27, 2012
- Sumitomo Electric Industries, Ltd.
- Ryuichiro Sato
- G02 - OPTICS
Information Patent Application
SPLICED OPITCAL CABLE ASSEMBLY
- Publication number 20120201500
- Publication date Aug 9, 2012
- Sumitomo Electric Industries, Ltd.
- Kiyotaka Murashima
- G02 - OPTICS
Information Patent Application
Optical fiber array, and circuit connection method using the optica...
- Publication number 20040042756
- Publication date Mar 4, 2004
- Yukihiro Yokomachi
- G02 - OPTICS

Hiroyasu Toyooka

Person

Patents Grantslast 30 patents

Multi-core/single-core conversion module and multi-core/single-core...

Optical fiber cutter

Optical fiber fusion splicer

Method of fusion-splicing optical fibers and fusion splicer

Optical fiber fusion splicer

Optical fiber holder and method for holding coated optical fiber

Carrying case for an optical fiber fusion splicer

Spliced optical cable assembly

Optical fiber cutter

Pushing part for an optical fiber cutter

Cutter blade assembly for an optical fiber cutter

Guide pin for optical fiber connectors and optical fiber connector...

Optical fiber connector with non-PC-coupling

Patents Applicationslast 30 patents

OPTICAL CONNECTOR AND OPTICAL FIBER WITH CONNECTOR

MULTI-CORE/SINGLE-CORE CONVERSION MODULE AND MULTI-CORE/SINGLE-CORE...

OPTICAL FIBER CUTTER

METHOD OF FUSION-SPLICING OPTICAL FIBERS AND FUSION SPLICER

OPTICAL FIBER HOLDER AND METHOD FOR HOLDING COATED OPTICAL FIBER

REINFORCING MEMBER FOR OPTICAL FIBER FUSION-SPLICING PORTION AND RE...

SPLICED OPITCAL CABLE ASSEMBLY

Optical fiber array, and circuit connection method using the optica...