Inventor
ONO HIROTAKA
JP19 patents
⚠️ This page may combine multiple inventors who share the name “ONO HIROTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
11 patentsUS6417963B1Jul 9, 2002
Optical fiber splicing structure
NIPPON TELEGRAPH & TELEPHONE30 citations92
US6356387B1Mar 12, 2002
Tellurite glass, optical amplifier, and light source
NIPPON TELEGRAPH & TELEPHONE23 citations92
US6266181B1Jul 24, 2001
Tellurite glass, optical amplifier, and light source
NIPPON TELEGRAPH & TELEPHONE22 citations92
US6236496B1May 22, 2001
Optical fiber amplifier and optical amplification method
NIPPON TELEGRAPH & TELEPHONE36 citations92
US6900885B2May 31, 2005
White light source
NIPPON TELEGRAPH & TELEPHONE12 citations84
US10965375B2Mar 30, 2021
Optical node device
NIPPON TELEGRAPH & TELEPHONE3 citations71
US11888281B2Jan 30, 2024
Multimode optical amplifier
NIPPON TELEGRAPH & TELEPHONE0 citations62
US12099235B2Sep 24, 2024
Amplifying fiber and optical amplifier
NIPPON TELEGRAPH & TELEPHONE0 citations52
US11881895B2Jan 23, 2024
Optical transponder
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11438071B2Sep 6, 2022
Optical repeater
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11362753B2Jun 14, 2022
Optical node device
NIPPON TELEGRAPH & TELEPHONE0 citations51
FUJIKURA LTD
4 patentsUS9698557B2Jul 4, 2017
Optical fiber for amplification and optical fiber amplifier using the same
FUJIKURA LTD3 citations72
US9673589B2Jun 6, 2017
Amplification optical fiber and optical fiber amplifier
FUJIKURA LTD2 citations72
US9515450B2Dec 6, 2016
Amplifying optical fiber and optical amplifier
FUJIKURA LTD2 citations61
US9252556B2Feb 2, 2016
Amplifying optical fiber and optical amplifier
FUJIKURA LTD1 citations51