Inventor · disambiguated record
Hitoshi Okubo
Also filed as: OKUBO HITOSHI
3 granted patents·1 pending application·41 citations·filing 1985–2024
69Inventor score
Top patents by PatentIndex Score
4 records- 0181US4697446ARoll forming apparatusNIPPON STEEL CORP·Filed 1985·Granted Oct 6, 1987·33 cites·17 claims
- 0255US2024334650A1Refrigeration cycle apparatusDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 0349US4951167AMagnetic tape cassette with improved front cover supporting mechanismKONISHIROKU PHOTO IND·Filed 1987·Granted Aug 21, 1990·7 cites·13 claims
- 0429US5041939AMagnetic tape cassette with leaf-shaped spring door closure mechanismKONISHIROKU PHOTO IND·Filed 1990·Granted Aug 20, 1991·1 cites·3 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →