Yoshiyuki NISHIZAWA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Neck-hung fusion splicer operation tray having detachable flanking...
- Patent number 10,928,591
- Issue date Feb 23, 2021
- SEI Optifrontier Co., Ltd.
- Keitaro Koguchi
- G02 - OPTICS
Information Patent Grant
Optical fiber cutting apparatus
- Patent number 10,338,314
- Issue date Jul 2, 2019
- Sei Optifrontier Co., Ltd.
- Shinsuke Kurino
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Optical fiber cutter
- Patent number D817131
- Issue date May 8, 2018
- Sei Optifrontier Co., Ltd.
- Shinsuke Kurino
- D08 - Tools and hardware

Patents Applicationslast 30 patents

Information Patent Application
NECK-HUNG OPERATION TRAY FOR FUSION SPLICER
- Publication number 20190187379
- Publication date Jun 20, 2019
- SEI Optifrontier Co., Ltd.
- Keitaro KOGUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CUTTER
- Publication number 20190064440
- Publication date Feb 28, 2019
- SEI Optifrontier Co., Ltd.
- Tsuyoshi TADA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CUTTING APPARATUS
- Publication number 20170235050
- Publication date Aug 17, 2017
- SEI Optifrontier Co., Ltd.
- Shinsuke KURINO
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CUTTING APPARATUS
- Publication number 20170235051
- Publication date Aug 17, 2017
- SEI Optifrontier Co., Ltd.
- Shinsuke KURINO
- G02 - OPTICS