Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455794 | Key switch device, keyboard with the key switch device, and electronic apparatus with the keyboard | Hirofumi Sato | 2002-09-24 |
| 6417470 | Key top guided by scissors linkage located in mounting member with chipped configuration disposed on support plate | Mitsumasa Kako | 2002-07-09 |
| 6371050 | Pet animal body waste treating material | — | 2002-04-16 |
| 6371671 | Key switch device, keyboard with the key switch device, and electronic apparatus with the keyboard | Hirofumi Sato | 2002-04-16 |