Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D466888 | Speaker | Shigeru Sugiyama | 2002-12-10 |
| 6484844 | Speaker | Shigeru Sugiyama, Naohiro Fujinami, Masami Kushida, Hisashi Kubota | 2002-11-26 |
| 6476711 | Sounding-body driving circuit and operating sound generating apparatus using the same | Naohiro Fujinami, Katsuyoshi Omori | 2002-11-05 |