RY

Ryozo Yamashita

AS Ascii: 3 patents #2 of 8Top 25%
NS Nippon Gakki Seizo: 3 patents #2 of 27Top 8%
Overall (1989): #7,382 of 140,708Top 6%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4864289 Video display control system for animation pattern image Kazuhiko Nishi, Takatoshi Ishii, Shigemitsu Yamaoka, Takatoshi Okumura 1989-09-05
4812828 Video display processor Kazuhiko Nishi, Takatoshi Ishii, Shigemitsu Yamaoka, Takatoshi Okumura 1989-03-14
4804948 Video display control system Kazuhiko Nishi, Takatoshi Ishii, Shigemitsu Yamaoka, Takatoshi Okumura 1989-02-14