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Yasuhiko Yokota

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,599,462 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6909341 Surface acoustic wave filter utilizing a layer for preventing grain boundary diffusion Ryoichi Takayama, Hidekazu Nakanishi, Tetsuo Kawasaki, Toru Sakuragawa 2005-06-21
6548813 Object-to-be-printed detector and print detecting method Kazuhiko Fujikawa, Takeshi Masutani, Koji Nomura, Junji Kajiwara 2003-04-15
6303989 Integrated circuit device on metal board with CPU power converter Takeo Yasuho, Masao Iwata, Ryoichi Katsuragawa, Hayami Matsunaga, Yoshikazu Suehiro 2001-10-16