Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875036 | Liquid crystal display device for both inputting and outputting information | Yukihiro Inoue, Yoshio Okajima | 1989-10-17 |
| 4858125 | Electronic cone with environmental and human body condition sensors and alarm for indicating existence of undesirable conditions | Shinji Tsugei, Tomohiro Inoue | 1989-08-15 |
| 4809192 | Audio output device with speech synthesis technique | Kosuke Nishimura, Mitsuhiro Saiji | 1989-02-28 |