Assignee
AKAI KAZUAKI
JP·3 granted patents·1 pending application·24 citations·filing 1986–2020
Top patents by PatentIndex Score
4 records- 0170US12188193B2Method for preventing repeated (tsunami, storm surge, and river) disasters by forces of natureAKAI KAZUAKI·Filed 2020·Granted Jan 7, 2025·1 cites·5 claims
- 0249US5228800APurifying breakwaterAKAI KAZUAKI·Filed 1989·Granted Jul 20, 1993·16 cites·15 claims
- 0336US2008006567A1Advanced Purification System Utilizing Closed Water Area by Hollow Water Area (Utsuro)AKAI KAZUAKI·Filed 2004·Application pending·0 cites
- 0432US4824284APurifying system of water areaAKAI KAZUAKI·Filed 1986·Granted Apr 25, 1989·7 cites·4 claims
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