Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025474 | Speaker system with image projection screen | Tsuneo Tanaka, Kazue Sato, Hiroyuki Takewa, Akira Kurozuka, Tadashi Tamura +6 more | 1991-06-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025474 | Speaker system with image projection screen | Tsuneo Tanaka, Kazue Sato, Hiroyuki Takewa, Akira Kurozuka, Tadashi Tamura +6 more | 1991-06-18 |