Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797598 | Illumination apparatus | Katsuya Oikawa, Hidemi Egami, Hiroshi Satomura | 1989-01-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797598 | Illumination apparatus | Katsuya Oikawa, Hidemi Egami, Hiroshi Satomura | 1989-01-10 |