KI

Kazumasa Ishikawa

NC Nippon Columbia Co.: 1 patents #1 of 3Top 35%
Overall (1982): #50,117 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4336501 Frequency characteristic adjusting circuit Shin Takahashi, Masahide Yoneyama 1982-06-22