Inventor
SHIKANO KOUJI
JP3 patents
Patents
3 patentsUS7677059B2Mar 16, 2010
Tellurite optical fiber and production method thereof
NIPPON TELEGRAPH & TELEPHONE16 citations82
US7313306B2Dec 25, 2007
Fiber laser, spontaneous emission light source and optical fiber amplifier
NIPPON TELEGRAPH & TELEPHONE8 citations72
US7953309B2May 31, 2011
Optical fiber and production method thereof
NIPPON TELEGRAPH & TELEPHONE2 citations61