Inventor · disambiguated record
Tatsuo Otsuka
Also filed as: OTSUKA TATSUO
8 granted patents·291 citations·filing 1987–2003
89Inventor score
Top patents by PatentIndex Score
8 records- 0196US4806436ASubstrate for amorphous silicon solar cellsSHOWA ALUMINUM CORP·Filed 1987·Granted Feb 21, 1989·129 cites·9 claims
- 0295US6550567B2Electric power steering apparatusKOYO SEIKO CO·Filed 2001·Granted Apr 22, 2003·47 cites·6 claims
- 0391US6769507B2Electric power steering apparatusKOYO SEIKO CO·Filed 2003·Granted Aug 3, 2004·36 cites·16 claims
- 0485US6708796B2Electric power steering apparatusKOYO SEIKO CO·Filed 2001·Granted Mar 23, 2004·43 cites·4 claims
- 0550US4957159AAluminum heat exchanger provided with fins having hydrophilic coatingSHOWA ALUMINUM CORP·Filed 1989·Granted Sep 18, 1990·11 cites·11 claims
- 0650US4852791AMethod for making corrosion resistance heat exchangersSHOWA ALUMINIUM CO LTD·Filed 1988·Granted Aug 1, 1989·7 cites·3 claims
- 0739US5431802ACylinder tube and process for producing sameSHOWA ALUMINUM CORP·Filed 1993·Granted Jul 11, 1995·14 cites·7 claims
- 0834US4962880AMethod of forming a heat exchanger with components comprising an aluminum alloy containing reduced amounts of magnesiumSHOWA ALUMINIUM CO LTD·Filed 1990·Granted Oct 16, 1990·4 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Tatsuo Otsuka 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 →