KY

Keiji Yuzawa

SO Sony: 23 patents #1,718 of 25,231Top 7%
Casio Computer Co.: 4 patents #615 of 1,970Top 35%
SL Saturn Licensing: 3 patents #83 of 329Top 30%
Overall (All Time): #123,001 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
RE33607 Auto-playing apparatus Naoaki Matsumoto, Takehiko Kayahara, Naofumi Tateishi, Makoto Fukuda 1991-06-11
4843289 Digital control bus system Takao Mogi, Yoshinori Komiya, Masayuki Suematsu, Fujio Tagami 1989-06-27
4633751 Automatic performance apparatus Hideshi Fukaya, Toshifumi Hoshii 1987-01-06
4624171 Auto-playing apparatus Naoaki Matsumoto, Takehiko Kayahara, Naofumi Tateishi, Makoto Fukuda 1986-11-25
4539882 Automatic accompaniment generating apparatus 1985-09-10