RY

Ryoichi Yamada

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
SI Sumitomo Heavy Industries: 3 patents #164 of 917Top 20%
📍 Niihama, JP: #116 of 473 inventorsTop 25%
Overall (All Time): #878,656 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6728526 Fractional-N frequency synthesizer with multiple clocks having different timings Shunsuke Hirano, Yasunori Miyahara, Hisashi Adachi, Hisashi Takahashi, Hiroki Kojima 2004-04-27
6563387 Method and apparatus for synthesizing high-frequency signals for wireless communications Shunsuke Hirano, Yasunori Miyahara, Yukio Hiraoka, Hisashi Adachi 2003-05-13
6342819 Frequency synthesizer device and mobile radio device using the same 2002-01-29
6272892 Forging press apparatus, controller of automation device used therefor and shut height controller Yutaka Ozaki, Masashi Tado, Hironobu Noguchi 2001-08-14
6105414 Transfer feeder for forging press Kouichi Kondo, Akihiro Ukita 2000-08-22
5488852 Transfer feeder for hot-forging presses Junji Nishikawa 1996-02-06