Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11974078 | Digital signage by optical communication and supplemental downlink device and method using LED illumination | Takashi Tsutsui | 2024-04-30 |
| 4933840 | I/O control system using buffer full/empty and zero words signals to control DMA read/write commands | Akihiro Sera, Yuji Shibata | 1990-06-12 |