Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952506 | ΔΣ-type A/D converter | Toshio Kumamoto, Takashi Okuda, Tatsuo Sengoku | 2011-05-31 |
| 7847714 | ΔΣ-type A/D converter | Toshio Kumamoto, Takashi Okuda, Tatsuo Sengoku | 2010-12-07 |
| 6114866 | Semiconductor device test board and method for evaluating semiconductor devices | Masaaki Matsuo, Tsuyoshi Saitoh, Takekazu Yamashita, Michio Nakajima, Hideki Toki | 2000-09-05 |
| 6092227 | Test circuit | Hideki Toki, Makoto Hatakenaka, Kiyoyuki Shiroshima, Masaaki Matsuo, Tsuyoshi Saitoh | 2000-07-18 |
| 6043522 | Field effect transistor array including doped two-cell isolation region for preventing latchup | Michio Nakajima, Makoto Hatakenaka, Kiyoyuki Shiroshima, Takekazu Yamashita, Masaaki Matsuo | 2000-03-28 |
| 6040614 | Semiconductor integrated circuit including a capacitor and a fuse element | Makoto Hatakenaka, Michio Nakajima, Kaoru Motonami, Kiyoyuki Shiroshima, Takekazu Yamashita | 2000-03-21 |
| 6025733 | Semiconductor memory device | Tuyoshi Saitoh, Masaaki Matsuo, Makoto Hatakenaka, Toshio Nakano, Yuko Sudo | 2000-02-15 |
| 5926429 | Semiconductor memory device and method of refreshing semiconductor memory device | Tsuyoshi Saitoh, Kiyoyuki Shiroshima, Michio Nakajima, Masaaki Matsuo, Nobuyuki Fujii | 1999-07-20 |
| 5453993 | Semiconductor integrated circuit with clock selecting function | Masaharu Taniguchi | 1995-09-26 |