Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888814 | Pattern recognition apparatus using oscillating memory circuits | Youko Yamaguchi | 1989-12-19 |
| 4876676 | Voice recognizing alarm timepiece | Yoshito Yamaguchi | 1989-10-24 |
| 4849908 | Word processor with a ruled line display function | Yuji Kurokawa, Hiroyuki Kikukawa, Tsutomu Inagi | 1989-07-18 |
| 4814657 | Energy converting device | Masafumi Yano, Hiroaki Tanaka | 1989-03-21 |
| 4815071 | Packet-switched communications network for efficiently switching non-burst signals | — | 1989-03-21 |