Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4730132 | Semiconductor device having bipolar transistor and insulated gate field effect transistor with two potential power source | Takao Watanabe, Goro Kitukawa, Ryoichi Hori, Kiyoo Itoh, Takayuki Kawahara | 1988-03-08 |
| 4503522 | Dynamic type semiconductor monolithic memory | Jun Etoh, Ryoichi Hori, Kiyoo Itoh | 1985-03-05 |
| 4475181 | Semiconductor memory | Jun Etoh, Ryoichi Hori, Kiyoo Itoh | 1984-10-02 |
| 4316265 | Memory device with high speed memory cell selection mechanism | Hirotoshi Tanaka, Kouetsu Chiba, Ryoichi Hori, Kiyoo Itoh | 1982-02-16 |