Assignee
SUGAHARA MASANORI
JP·1 granted patent·1 pending application·34 citations·filing 1991–2012
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2 records- 0157US5253486ASilencer attenuating a noise from a noise source to be ventilated and a method for active control of its noise attenuation systemSUGAHARA MASANORI·Filed 1991·Granted Oct 19, 1993·34 cites·14 claims
- 0233US2013052578A1Toner for electrostatic latent image developmentSUGAHARA MASANORI·Filed 2012·Application pending·0 cites
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