Shirasaki Yuichi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Core alignment system for optical fibers
- Patent number 4,911,522
- Issue date Mar 27, 1990
- Duo Fast Corporation
- Yoshinao Iwamoto
- G02 - OPTICS
Information Patent Grant
Rotary joint for optical fibers
- Patent number 4,641,915
- Issue date Feb 10, 1987
- Kokusai Denshindenwa Co., Ltd.
- Kenichi Asakawa
- G02 - OPTICS
Information Patent Grant
Optical fiber with light reflecting particles dispersed through buf...
- Patent number 4,637,686
- Issue date Jan 20, 1987
- Kokusai Denshin Denwa Co., Ltd.
- Yoshinao Iwamoto
- G02 - OPTICS
Information Patent Grant
Underwater optical fiber connector
- Patent number 4,544,233
- Issue date Oct 1, 1985
- Kokusai Denshin Denwa Co., Ltd.
- Yoshinao Iwamoto
- G02 - OPTICS
Information Patent Grant
Guiding method for cable burying device and a device therefor
- Patent number 4,492,492
- Issue date Jan 8, 1985
- Kokusai Denshin Denwa Co., Ltd.
- Toshio Izawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
System for detecting a cable buried under the seabed
- Patent number 4,438,401
- Issue date Mar 20, 1984
- Kokusai Denshin Denwa Co., Ltd.
- Yoshinao Iwamoto
- G01 - MEASURING TESTING
Information Patent Grant
Buried cable locating system
- Patent number 4,317,079
- Issue date Feb 23, 1982
- Kokusai Denshin Denwa Co. Ltd.
- Kazuomi Yamamura
- G01 - MEASURING TESTING
Information Patent Grant
System for detecting an underwater buried cable
- Patent number 4,283,681
- Issue date Aug 11, 1981
- Kokusai Denshin Denwa Co., Ltd.
- Yamamura Kazuomi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Shirasaki Yuichi

Person

Patents Grantslast 30 patents

Core alignment system for optical fibers

Rotary joint for optical fibers

Optical fiber with light reflecting particles dispersed through buf...

Underwater optical fiber connector

Guiding method for cable burying device and a device therefor

System for detecting a cable buried under the seabed

Buried cable locating system

System for detecting an underwater buried cable