KW

Kiyotaka Wasa

Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
Canon: 9 patents #6,722 of 19,416Top 35%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
Overall (All Time): #114,222 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
4354130 Surface acoustic wave device using a multi-layer substrate including .alpha..sub.2 O.sub.3, SiO and ZnO Shusuke Ono, Tsuneo Mitsuyu, Osamu Yamazaki 1982-10-12
4342012 Surface acoustic wave device Ritsuo Inaba 1982-07-27
4315960 Method of making a thin film Kenzo Ohji, Osamu Yamazaki, Shigeru Hayakawa 1982-02-16
4288307 Method of making a magnetic head Takao Tohda, Kazuo Yokoyama, Eiichi Hirota, Shigeru Hayakawa 1981-09-08
4276535 Thermistor Tsuneo Mitsuyu, Shigeru Hayakawa 1981-06-30
4236095 Surface acoustic wave device comprising piezoelectric substrate having zinc oxide layer on .alpha.-alumina layer Shusuke Ono, Tsuneo Mitsuyu, Osamu Yamazaki 1980-11-25
4223286 Surface acoustic wave resonator Shusuke Ono, Kenzo Ohji, Osamu Yamazaki 1980-09-16