Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12125196 | Computer program, processor for endoscope, and information processing method | — | 2024-10-22 |
| 9122892 | Protection device, protection software, and protection method for controlling external device | — | 2015-09-01 |
| 4498022 | Tristate output buffer with high-impedance state responsive to increase in power supply voltage | Kazumi Koyama, Toshitaka Fukushima | 1985-02-05 |
| 4424582 | Semiconductor memory device | Toshitaka Fukushima, Kazumi Koyama, Kouji Ueno, Tamio Miyamura | 1984-01-03 |
| 4347584 | Programmable read-only memory device | Toshitaka Fukushima, Kazumi Koyama, Kouji Ueno, Tamio Miyamura | 1982-08-31 |
| 4319300 | Surge arrester assembly | John J. Napiorkowski, Raymond D. Jones, Toshitaka Fukushima, Kazumi Koyama, Kouji Ueno +1 more | 1982-03-09 |
| 4319341 | Programming circuit for permanently storing data in a programmable read only memory | Toshitaka Fukushima, Kazumi Koyama, Kouji Ueno, Tamio Miyamura | 1982-03-09 |