Inventor · disambiguated record
Hirohisa Obata
Also filed as: OBATA HIROHISA
3 granted patents·74 citations·filing 1996–1999
75Inventor score
Technology areasF04D
Files withAISAN IND3
Top patents by PatentIndex Score
3 records- 0178US5924851AMagnetically coupled pump having a back-up radical sliding surface on the shaftAISAN IND·Filed 1996·Granted Jul 20, 1999·38 cites·3 claims
- 0261US6095770AMagnetically coupled pumpAISAN IND·Filed 1999·Granted Aug 1, 2000·20 cites·2 claims
- 0354US6139289AMagnetically coupled pumpAISAN IND·Filed 1999·Granted Oct 31, 2000·16 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Hirohisa Obata 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 →