YI

Yoshio Itoh

OC Oki Electric Industry Co.: 4 patents #3 of 237Top 2%
UN Unknown: 1 patents #145 of 1,640Top 9%
Overall (1989): #3,270 of 140,708Top 3%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4879726 Spread spectrum communications system Masaki Kobayashi, Hiroji Kusaka 1989-11-07
4868775 Adaptive digital filter Masaki Kobayashi 1989-09-19
4824254 Alignment marks on semiconductor wafers and method of manufacturing the marks Hiroshi Ohtsuka, Tadashi Nishimuro, Hisamitsu Mitsutomi 1989-04-25
4811261 Adaptive digital filter for determining a transfer equation of an unknown system Masaki Kobayashi 1989-03-07