Inventor · disambiguated record
Kyozo Tsujikawa
Also filed as: TSUJIKAWA KYOZO
10 granted patents·0 citations·filing 2016–2020
76Inventor score
Top patents by PatentIndex Score
10 records- 0163US11815421B2Acoustic mode propagation speed measurement method and acoustic mode propagation speed measurement deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 14, 2023·0 cites·4 claims
- 0262US10539784B2Photonic crystal fiber and high-power light transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 21, 2020·0 cites·4 claims
- 0355US10871648B2Optical fiber design methodNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Dec 22, 2020·0 cites·1 claims
- 0454US10545333B2Photonic crystal fiber and high-power light transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jan 28, 2020·0 cites·6 claims
- 0546US11237322B2Optical fiber manufacturing method using relative bulk densitiesFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Feb 1, 2022·0 cites·11 claims
- 0645US12019267B2Multicore optical fiber and design methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 25, 2024·0 cites·2 claims
- 0743US11860405B2Hole assisted optical fiberNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 2, 2024·0 cites·3 claims
- 0843US10310177B2Photonic crystal fiberNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jun 4, 2019·0 cites·12 claims
- 0939US10444428B2Optical fiber and optical transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Oct 15, 2019·0 cites·16 claims
- 1035US10816722B2Optical fiber design methodNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Oct 27, 2020·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →