Inventor · disambiguated record
Yoshinari Takigawa
Also filed as: TAKIGAWA Yoshinari
9 granted patents·2 pending applications·13 citations·filing 2012–2025
81Inventor score
Top patents by PatentIndex Score
11 records- 0193US11700067B2Three-way branching unit switch module having small footprintNEC LAB AMERICA INC·Filed 2021·Granted Jul 11, 2023·3 cites·1 claims
- 0284US11994728B2Junction device, and undersea cable systemNEC CORP·Filed 2020·Granted May 28, 2024·2 cites·14 claims
- 0374US10530470B2Optical add/drop device and optical add/drop methodNEC CORP·Filed 2016·Granted Jan 7, 2020·3 cites·14 claims
- 0472US11556096B2Submarine branching unit and submarine branching methodNEC CORP·Filed 2018·Granted Jan 17, 2023·2 cites·15 claims
- 0568US10404382B2Grounding circuit and grounding methodNEC CORP·Filed 2017·Granted Sep 3, 2019·1 cites·11 claims
- 0657US9660457B2Feed line switching apparatus, optical submarine branching apparatus, submarine cable system, and feed line switching methodTAKIGAWA Yoshinari·Filed 2012·Granted May 23, 2017·2 cites·17 claims
- 0757US2025260331A1Submarine dcdc converter, method for controlling submarine dcdc converter, and submarine cable systemNEC CORP·Filed 2025·Application pending·0 cites
- 0856US12327995B2Grounding device, grounding method, and program recording mediumNEC CORP·Filed 2021·Granted Jun 10, 2025·0 cites·10 claims
- 0955US2024332926A1Method for laying submarine cable systemNEC CORP·Filed 2024·Application pending·0 cites
- 1049US11270859B2Submarine cable system, branching device, and state response method thereforNEC CORP·Filed 2019·Granted Mar 8, 2022·0 cites·15 claims
- 1145US12500670B2Submarine optical cable systemNEC CORP·Filed 2021·Granted Dec 16, 2025·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →