Inventor · disambiguated record
Tetsuo Akiyama
Also filed as: AKIYAMA TETSUO
9 granted patents·238 citations·filing 1980–2007
89Inventor score
Files withPIONEER ELECTRONIC CORP3CHUGAI RO KOGYO KAISHA LTD2TOYO ROKI SEIZO KK2NISSHIN STEEL CO LTD1UNIVERSAL PIONEER CORP1
Top patents by PatentIndex Score
9 records- 0197US4677602ADevice for controlling recording track jump operations with over-run correctionPIONEER ELECTRONIC CORP·Filed 1984·Granted Jun 30, 1987·106 cites·6 claims
- 0284US4723235ASystem for playing back information recorded on a disk recording medium with an improved discrimination and playback start operationPIONEER ELECTRONIC CORP·Filed 1984·Granted Feb 2, 1988·29 cites·3 claims
- 0380US4561800AMethod of heating a road surface and apparatus thereforCHUGAI RO KOGYO KAISHA LTD·Filed 1983·Granted Dec 31, 1985·43 cites·5 claims
- 0477US7473306B2Air cleanerTOYO ROKI SEIZO KK·Filed 2006·Granted Jan 6, 2009·10 cites·6 claims
- 0576US7699912B2Air-cleanerTOYO ROKI SEIZO KK·Filed 2007·Granted Apr 20, 2010·9 cites·5 claims
- 0667US4657504ACombustion burnerCHUGAI RO KOGYO KAISHA LTD·Filed 1985·Granted Apr 14, 1987·29 cites·9 claims
- 0751US4498158AAddress data searching method for data recording medium reproducing deviceUNIVERSAL PIONEER CORP·Filed 1980·Granted Feb 5, 1985·8 cites·9 claims
- 0831US4785251ADigital frequency and phase comparatorPIONEER ELECTRONIC CORP·Filed 1987·Granted Nov 15, 1988·3 cites·11 claims
- 0926US5238229ABurner for generating soot and furnace to deposit soot by using the sameNISSHIN STEEL CO LTD·Filed 1992·Granted Aug 24, 1993·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →