Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682019 | Position detecting apparatus and position pointing device including elapsed time period build up detector | Yasuji Ogawa | 1997-10-28 |
| 5679930 | Position pointing device including a controller for an AC field emitter in accordance with a binary code | — | 1997-10-21 |
| 5672852 | Position pointing device including a memory and a position detecting device coupled by AC fields to the pointing device | Yasuhiro Fukuzaki | 1997-09-30 |
| 5661269 | Position pointing device having resonant circuit with sequentially changed characteristics and combination thereof with position detecting device | Yasuhiro Fukuzaki | 1997-08-26 |
| 5644108 | Position detection device utilizing electromagnetic induction | Yasuhiro Fukuzaki | 1997-07-01 |
| 5629500 | Position pointing device, system and method employing AC field | Yasuhiro Fukuzaki | 1997-05-13 |
| 5600105 | Position detecting device and position pointing device therefor | Yasuhiro Fukuzaki | 1997-02-04 |
| 4709209 | Magnetostrictive vibration wave position detecting apparatus with variable threshold detecting valves | Azuma Murakami, Yoshinori Taguchi | 1987-11-24 |