SH

Shigeru Hirasawa

SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #3,795,027 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5302921 Piezoelectric oscillator having reduced radiation of higher harmonics Mikio Shigemori, Toru Oida, Katsumi Yamamura 1994-04-12