Inventor · disambiguated record
Toru Tamagawa
Also filed as: TAMAGAWA TORU
7 granted patents·86 citations·filing 1974–2007
84Inventor score
Top patents by PatentIndex Score
7 records- 0192US3946179AVacuum interrupterTOKYO SHIBAURA ELECTRIC CO·Filed 1974·Granted Mar 23, 1976·45 cites·8 claims
- 0278US7994483B2Gas electron multiplier and manufacturing method for gas electron multiplication foil used for same as well as radiation detector using gas electron multiplierRIKEN·Filed 2007·Granted Aug 9, 2011·10 cites·6 claims
- 0367US4307428ACircuit breaker apparatus for high voltage direct currentsTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Dec 22, 1981·12 cites·9 claims
- 0462US7217087B2Centrifugal fanNIDEC CORP·Filed 2005·Granted May 15, 2007·3 cites·10 claims
- 0558US7264446B2Centrifugal-fan impeller, and method of its manufactureNIDEC CORP·Filed 2005·Granted Sep 4, 2007·2 cites·11 claims
- 0654US7481616B2Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanismNIDEC CORP·Filed 2004·Granted Jan 27, 2009·7 cites·38 claims
- 0743US7364411B2Fan impeller and fan motorNIDEC CORP·Filed 2004·Granted Apr 29, 2008·7 cites·45 claims
Join the waitlist — get patent alerts
Get an alert when Toru Tamagawa 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 →