AN

Akihiko Namba

Sumitomo Electric Industries: 22 patents #886 of 21,551Top 5%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
SL Sumitomo Riko Company Limited: 1 patents #206 of 446Top 50%
Overall (All Time): #125,242 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5998907 Surface acoustic wave devices and their manufacturing method Yutaka Taguchi, Kazuo Eda, Osamu Kawasaki, Yosihiro Tomita, Keiji Onishi +3 more 1999-12-07
5982010 Piezoelectric device and method of manufacturing the same Tetsuyoshi Ogura, Yoshihiro Tomita, Kazuo Eda 1999-11-09
5910699 Method of manufacturing a composite substrate and a piezoelectric device using the substrate Tetsuyoshi Ogura, Yoshihiro Tomita, Kazuo Eda 1999-06-08
5759753 Piezoelectric device and method of manufacturing the same Tetsuyoshi Ogura, Yoshihiro Tomita, Kazuo Eda 1998-06-02
5698471 Method of manufacturing a composite substrate and a piezoelectric device using the substrate Tetsuyoshi Ogura, Yoshihiro Tomita, Kazuo Eda 1997-12-16