KW

Kunizo Watanabe

CC Citizen Seimitsu Co.: 1 patents #12 of 13Top 95%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #3,252,881 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7959492 Disk-shaped substrate inner circumference polishing method Kazuyuki Haneda, Yosuke Sato 2011-06-14