Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875221 | Spread spectrum receiver | — | 1989-10-17 |
| 4866734 | Receiver for spread spectrum communication | Shigeo Akazawa, Masahiro Hamatsu | 1989-09-12 |
| 4866735 | Spread spectrum communicating method | Masahiro Hamatsu | 1989-09-12 |
| 4848940 | Typewriter for format printing | — | 1989-07-18 |
| 4847861 | Maximum length linearly occurring code sequence generator in a spread spectrum communication system | Masahiro Hamatsu | 1989-07-11 |
| 4834566 | Typewriter having means for interruption of automatic erasing operation, and/or automatic suspension thereof at each space between successive words | Hideo Ueno, Kiyoshi Yamakawa, Yuji Kawakami, Ryoichi Sasaki | 1989-05-30 |
| 4820063 | Typewriter with a correction function | — | 1989-04-11 |
| 4821033 | Matrix switching apparatus for preventing pseudo input | Sae Takenaka | 1989-04-11 |