Inventor · name-matched record
AMMA HIROFUMI
2 granted patents·2 pending applications·0 citations·filing 2023–2025
23Inventor score
Technology areasB63H
Files withYAMAHA MOTOR CO LTD4
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
4 records- 0172US2026084796A1Watercraft maneuvering system and watercraftYAMAHA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 0269US2026042520A1WatercraftYAMAHA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 0366US12583567B2Small marine vessel capable in which action position of thrust force is changeableYAMAHA MOTOR CO LTD·Filed 2023·Granted Mar 24, 2026·0 cites·18 claims
- 0465US12589845B2Vessel operator warning support system and vessel operator warning support methodYAMAHA MOTOR CO LTD·Filed 2024·Granted Mar 31, 2026·0 cites·30 claims
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Identity basis: exact name match across USPTO filings. How scoring works →