Inventor · disambiguated record
Heiichi Unozawa
Also filed as: UNOZAWA HEIICHI
3 granted patents·48 citations·filing 1999–2004
68Inventor score
Files withFERROTEC CORP2
Top patents by PatentIndex Score
3 records- 0160US6305694B1Ferrofluid sealing deviceFERROTEC CORP·Filed 1999·Granted Oct 23, 2001·29 cites·2 claims
- 0257US6290233B1Sealing apparatusFiled 1999·Granted Sep 18, 2001·19 cites·8 claims
- 0337US8007176B2Dynamic pressure bearing and rotation machine employing sameFERROTEC CORP·Filed 2004·Granted Aug 30, 2011·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →