Inventor · disambiguated record
Takuji Higashikawa
Also filed as: HIGASHIKAWA Takuji
1 granted patent·1 pending application·0 citations·filing 2018–2022
9Inventor score
Technology areasA61B
Files withNAC IMAGE TECH INC2
Top patents by PatentIndex Score
2 records- 0138US2024285162A1Contrast-sensitivity test device, optical-element evaluation device, contrast-sensitivity test method, and optical-element evaluation methodNAC IMAGE TECH INC·Filed 2022·Application pending·0 cites
- 0232US11464405B2Visual function test device, visual function training device, and method thereofNAC IMAGE TECH INC·Filed 2018·Granted Oct 11, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →