Inventor · disambiguated record
Yasuo Ookubo
Also filed as: OOKUBO YASUO
4 granted patents·3 pending applications·2 citations·filing 2009–2022
58Inventor score
Top patents by PatentIndex Score
7 records- 0162US8409319B2Silicon purification methodOOKUBO YASUO·Filed 2009·Granted Apr 2, 2013·1 cites·5 claims
- 0261US8454920B2Silicon purification methodOOKUBO YASUO·Filed 2009·Granted Jun 4, 2013·1 cites·7 claims
- 0353US8404016B2Method for refining metalOOKUBO YASUO·Filed 2009·Granted Mar 26, 2013·0 cites·4 claims
- 0447US2014075997A1Silicon purification method and silicon purification deviceULVAC INC·Filed 2013·Application pending·0 cites
- 0543US2024120233A1Vacuum processing apparatusULVAC INC·Filed 2022·Application pending·0 cites
- 0641US8778143B2Silicon purification method and silicon purification deviceOOKUBO YASUO·Filed 2010·Granted Jul 15, 2014·0 cites·7 claims
- 0740US2013247620A1Silicon refining device and silicon refining methodULVAC INC·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yasuo Ookubo files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →