Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9818490 | Semiconductor device | — | 2017-11-14 |
| 9672937 | Semiconductor device | — | 2017-06-06 |
| 7003622 | Semiconductor memory | Hirofumi Shinohara, Takeshi Hashizume | 2006-02-21 |
| 6717223 | Semiconductor device with integrally formed well contact areas | Koji Nii, Hisashi Matsumoto | 2004-04-06 |
| 6121644 | Semiconductor integrated circuit device and method of arranging and wiring cells | Hisashi Matsumoto, Kazuhiro Yamazaki | 2000-09-19 |
| 5936427 | Three-input exclusive NOR circuit | — | 1999-08-10 |
| 5903484 | Tree circuit | — | 1999-05-11 |
| 5557270 | Dual conversion decoder | Atushi Miyanishi, Hisashi Matsumoto | 1996-09-17 |
| 5384734 | Multiport memory device and an operation method thereof | Kumiko Tsujihashi, Hirofumi Shinohara | 1995-01-24 |
| 5383132 | Design verification device | Hirofumi Shinohara, Hisashi Matsumoto | 1995-01-17 |
| 5142490 | Multiplication circuit with storing means | Kazuhiro Sakashita | 1992-08-25 |
| 5060183 | Parallel multiplier circuit using matrices, including half and full adders | Kazuhiro Sakashita | 1991-10-22 |