Inventor
NISHIDA YOSHIKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “NISHIDA YOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
8 patentsUS6806986B2Oct 19, 2004
Wavelength converter and wavelength converting apparatus
NIPPON TELEGRAPH & TELEPHONE27 citations92
US6721092B2Apr 13, 2004
Thulium-doped fiber amplifier using pump light for improving conversion efficiency in S-band
NIPPON TELEGRAPH & TELEPHONE14 citations83
US7573921B2Aug 11, 2009
Laser light source
NIPPON TELEGRAPH & TELEPHONE16 citations82
US7391795B2Jun 24, 2008
Laser light source
NIPPON TELEGRAPH & TELEPHONE9 citations82
US5486947AJan 23, 1996
Optical fiber for optical amplifier
NIPPON TELEGRAPH & TELEPHONE16 citations81
US5351335ASep 27, 1994
Optical fiber for optical amplifier
NIPPON TELEGRAPH & TELEPHONE18 citations81
US5774620AJun 30, 1998
Fluoride glass fiber
NIPPON TELEGRAPH & TELEPHONE9 citations73
US7940451B2May 10, 2011
Wavelength converter and wavelength conversion apparatus
NIPPON TELEGRAPH & TELEPHONE2 citations60