KO

Keiji Onishi

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
Overall (1997): #33,380 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5699027 Surface acoustic wave devices having a guard layer Yasunobu Tsuji, Kazuo Eda, Yutaka Taguchi, Katsuyuki Miyauchi 1997-12-16
5592135 Surface acoustic wave filter with different filter portions satisfying complex conjugate relationship of impedances Yutaka Taguchi, Kazuo Eda, Shun-ichi Seki 1997-01-07