Inventor · disambiguated record
Akira Tsubota
Also filed as: TSUBOTA AKIRA
3 granted patents·1 pending application·63 citations·filing 1991–2019
66Inventor score
Top patents by PatentIndex Score
4 records- 0175US10461538B2System stabilization control device and power system control systemHITACHI LTD·Filed 2016·Granted Oct 29, 2019·3 cites·8 claims
- 0272US5287650AStructured medium for the cultivation of greenery and a waterproofing system to facilitate the installation of said medium on buildingsASANUMA CORP·Filed 1991·Granted Feb 22, 1994·60 cites·20 claims
- 0340US11404873B2Power system operation assisting device and method, and oscillation suppression systemHITACHI LTD·Filed 2019·Granted Aug 2, 2022·0 cites·9 claims
- 0436US2019288551A1Power system aggregation device and method, and power system stabilization deviceHITACHI LTD·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →