AT

Akito Takegawa

PI Pearl Musical Instrument: 27 patents #1 of 18Top 6%
TE Teac: 2 patents #166 of 440Top 40%
KO Korg: 1 patents #17 of 40Top 45%
Overall (All Time): #107,666 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
7176368 Quick release nut assembly for percussion instrument 2007-02-13
7122730 Beater weight assembly for drum pedal 2006-10-17
6940006 Reversible seat cup for percussion instrument 2005-09-06
6884015 Quick release nut assembly for percussion instrument 2005-04-26
6710236 Drum holder for drum stand 2004-03-23
6172291 Drum pedal system with interchangeable cam elements 2001-01-09
5956206 Disk device for a disk cartridge, including a latch/unlatch mechanism in cooperation with the slider Hidetoshi Kabasawa, Kazuo Yokota 1999-09-21
5892636 Disk device in which erroneous closing of recording medium shutter is prevented Hidetoshi Kabasawa, Kazuo Yokota 1999-04-06