Tsukasa Takehana

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical surge suppressing apparatus
- Patent number 6,373,610
- Issue date Apr 16, 2002
- NEC Corporation
- Tsukasa Takehana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting apparatus and receiving apparatus for wavelength-divis...
- Patent number 6,081,359
- Issue date Jun 27, 2000
- NEC Corporation
- Tsukasa Takehana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE