Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618239 | Key switch and keyboard | Kouki Takahashi, Kouji Ishikawa, Kiyoshi Wada, Katsumi Harada, Junichi Maruyama +3 more | 2003-09-09 |
| 6526654 | Method of producing double-sided circuit board | Zhiyi Song, Kazuaki Satoh, Norikazu Ozaki | 2003-03-04 |