AT

Akira Takayama

AC Alps Electric Co.: 12 patents #118 of 2,177Top 6%
MI Mitsuba: 5 patents #70 of 618Top 15%
Yamaha: 5 patents #527 of 2,001Top 30%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
SC Suzuki Sogyo Co.: 3 patents #2 of 7Top 30%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #123,158 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4724403 Microwave oscillator 1988-02-09
4677693 Frequency conversion circuit 1987-06-30
4673895 Oscillator having improved coupling between stripline and dielectric resonator Akio Tadachi 1987-06-16
4484162 Microwave oscillator Hiroshi Kamada 1984-11-20
4271534 Microwave receiver 1981-06-02