Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437840 | Display device having a light emitting element | Yasuo Arikawa, Satoshi Chiba | 2002-08-20 |
| 6252829 | Electronic watch | Satoshi Chiba, Tsuyoshi Matsui | 2001-06-26 |
| 6229767 | Display device and electronic watch using the device | Yasuo Arikawa | 2001-05-08 |
| 6201770 | Electronic timepiece | Yasuo Arikawa | 2001-03-13 |
| 6185161 | Display device and electronic timepiece | Yasuo Arikawa, Satoshi Chiba | 2001-02-06 |
| 6147934 | Display device and electronic watch | Yasuo Arikawa, Tomoaki Hirakawa | 2000-11-14 |
| 6147937 | Display device and electronic timepiece | Yasuo Arikawa, Tsuyoshi Maeda | 2000-11-14 |
| 5546810 | Pressure measuring device and method using quartz resonators | Yasuo Arikawa | 1996-08-20 |