Inventor · disambiguated record
Takao Ubukata
Also filed as: UBUKATA TAKAO
1 granted patent·2 pending applications·15 citations·filing 1975–2022
36Inventor score
Top patents by PatentIndex Score
3 records- 0159US4034281ADirect current power supply with a transistor chopperSANKEN ELECTRIC CO LTD·Filed 1975·Granted Jul 5, 1977·15 cites·1 claims
- 0246US2025054724A1Vacuum Processing DeviceHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 0339US2023402248A1Vacuum Treatment Apparatus and Vacuum Treatment MethodHITACHI HIGH TECH CORP·Filed 2020·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →