Inventor · disambiguated record
Masaaki Takenaka
Also filed as: TAKENAKA MASAAKI
8 granted patents·173 citations·filing 1980–2019
88Inventor score
Top patents by PatentIndex Score
8 records- 0189US4308406AMethod for preventing the discoloration of dihydric phenolsSUMITOMO CHEMICAL CO·Filed 1980·Granted Dec 29, 1981·29 cites·7 claims
- 0279US5625858AContact charging member, process for producing same and electrophotographic apparatus using sameCANON KK·Filed 1996·Granted Apr 29, 1997·31 cites·16 claims
- 0372US5742880ACharging member, and process cartridge and electrophotographic apparatus having the charging memberCANON KASEI KK·Filed 1996·Granted Apr 21, 1998·23 cites·22 claims
- 0470US5802442AIntermediate transfer member, electrophotography apparatus using the same, and method for manufacturing the sameCANON KASEI KK·Filed 1996·Granted Sep 1, 1998·23 cites·18 claims
- 0559US6078676ASpeaker system with a three-dimensional spiral sound passageFiled 1999·Granted Jun 20, 2000·33 cites·8 claims
- 0659US5824969ASpeaker system with a three-dimensional spiral sound passageFiled 1997·Granted Oct 20, 1998·34 cites·9 claims
- 0751US12201946B2Fluid separation elementTORAY INDUSTRIES·Filed 2019·Granted Jan 21, 2025·0 cites·5 claims
- 0847US11097224B2Fluid separating element and telescoping prevention plateTORAY INDUSTRIES·Filed 2018·Granted Aug 24, 2021·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →