Assignee
YAKIWCHUK Derek
JP·0 granted patents·2 pending applications·0 citations·filing 2016–2020
Top patents by PatentIndex Score
2 records- 0125US2020410895A1Language practice device, language teaching material, and language practice programYAKIWCHUK Derek·Filed 2020·Application pending·0 cites
- 0212US2018211560A1Language practice device, language teaching material, and language practice programYAKIWCHUK Derek·Filed 2016·Application pending·0 cites
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