Yoshiyuki Sakairi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber characteristic measuring device
- Patent number 6,700,655
- Issue date Mar 2, 2004
- Ando Electric Co., Ltd.
- Haruyoshi Uchiyama
- G01 - MEASURING TESTING
Information Patent Grant
Light wavelength dispersion measuring apparatus and light wavelengt...
- Patent number 6,614,511
- Issue date Sep 2, 2003
- Ando Electric Co., Ltd.
- Yoshiyuki Sakairi
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber characteristics measuring device and optical fiber ch...
- Patent number 6,570,649
- Issue date May 27, 2003
- Ando Electric Co., Ltd.
- Yoshiyuki Sakairi
- G01 - MEASURING TESTING
Information Patent Grant
E/O switch controlling apparatus and method for controlling E/O switch
- Patent number 6,215,569
- Issue date Apr 10, 2001
- Ando Electric Co., Ltd.
- Yoshiyuki Sakairi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber characteristic measuring device
- Publication number 20020154291
- Publication date Oct 24, 2002
- ANDO ELECTRIC CO., LTD.
- Haruyoshi Uchiyama
- G01 - MEASURING TESTING
Information Patent Application
Optical fiber distortion measurement device
- Publication number 20010050768
- Publication date Dec 13, 2001
- ANDO ELECTRIC CO., LTD.
- Haruyoshi Uchiyama
- G01 - MEASURING TESTING
Information Patent Application
Optical fiber characteristics measuring device and optical fiber ch...
- Publication number 20010043324
- Publication date Nov 22, 2001
- Yoshiyuki Sakairi
- G01 - MEASURING TESTING