Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484844 | Speaker | Shigeru Sugiyama, Hajime Kitamura, Naohiro Fujinami, Hisashi Kubota | 2002-11-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484844 | Speaker | Shigeru Sugiyama, Hajime Kitamura, Naohiro Fujinami, Hisashi Kubota | 2002-11-26 |