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Yoshiro Yamakawa

Yamaha: 6 patents #432 of 2,001Top 25%
LC Lube Co.: 1 patents #7 of 15Top 50%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #655,831 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D642202 Pump for providing lubricant to a machine Noboru Ozeki, Keizo Saito, Kei Suzuki 2011-07-26
D432103 Flat panel display for TV Renichi Mitsuhashi, Toshinobu Sakuma, Takashi Shigeno 2000-10-17
D328073 Combined digital sound processor and audio/video amplifier 1992-07-21
D322068 Combined amplifier and radio tuner 1991-12-03
D322067 Stereo 1991-12-03
D321689 Audio amplifier 1991-11-19
D319445 Loudspeaker 1991-08-27
D319243 Loudspeaker 1991-08-20