Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765465 | Eating utensils having a sound generating means | Ekio Isihama | 1988-08-23 |
| 4520462 | Semiconductor memory device | Kazuhiro Toyoda | 1985-05-28 |
| 4464735 | Semiconductor memory | Kazuhiro Toyoda, Yasuhisa Sugo | 1984-08-07 |
| 4463448 | Semiconductor memory device | Yasuhisa Sugo, Kazuhiro Toyoda | 1984-07-31 |