SY

Sadahiko Yamashita

Sumitomo Electric Industries: 30 patents #489 of 21,551Top 3%
Overall (All Time): #126,330 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4268809 Microwave filter having means for capacitive interstage coupling between transmission lines Mitsuo Makimoto 1981-05-19
4254390 Compact electronic tuning device Mitsuo Saito, Mitsuo Makimoto 1981-03-03
4224587 Comb-line bandpass filter Mitsuo Makimoto 1980-09-23
4214217 Electronic tuning circuit having image trapping element Mitsuo Saito 1980-07-22
4214218 Impedance matched tuning device having image trapping circuit Mitsuo Saito, Mitsuo Makimoto 1980-07-22