KY

Katsuyuki Yamazaki

KC Kokusai Denshin Denwa Co.: 2 patents #8 of 65Top 15%
NE Nec: 1 patents #128 of 619Top 25%
Overall (1989): #22,619 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4841522 Time division channel switching circuit — 1989-06-20
4797931 Audio frequency signal identification apparatus Yasuo Furukawa, Takemi Hosaka, Akira Fukui 1989-01-10