SY

Seiji Yamahira

Sumitomo Electric Industries: 3 patents #348 of 3,632Top 10%
Overall (2005): #17,065 of 245,428Top 7%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6940332 Level shift circuit having control circuits for high speed, area saving and power saving Norio Hattori, Ken Arakawa 2005-09-06
6914474 Voltage boosting circuit without output clamping for regulation 2005-07-05
6912159 Boosting circuit and non-volatile semiconductor storage device containing the same Kouichi Osawa 2005-06-28