Inventor
TSUJIKAWA KYOZO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TSUJIKAWA KYOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
9 patentsUS11815421B2Nov 14, 2023
Acoustic mode propagation speed measurement method and acoustic mode propagation speed measurement device
NIPPON TELEGRAPH & TELEPHONE0 citations60
US10871648B2Dec 22, 2020
Optical fiber design method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US10545333B2Jan 28, 2020
Photonic crystal fiber and high-power light transmission system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US10539784B2Jan 21, 2020
Photonic crystal fiber and high-power light transmission system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12019267B2Jun 25, 2024
Multicore optical fiber and design method
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11860405B2Jan 2, 2024
Hole assisted optical fiber
NIPPON TELEGRAPH & TELEPHONE0 citations45
US10816722B2Oct 27, 2020
Optical fiber design method
NIPPON TELEGRAPH & TELEPHONE0 citations39
US10444428B2Oct 15, 2019
Optical fiber and optical transmission system
NIPPON TELEGRAPH & TELEPHONE0 citations39
US10310177B2Jun 4, 2019
Photonic crystal fiber
NIPPON TELEGRAPH & TELEPHONE0 citations39