Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8169253 | Power circuit including step-up circuit and stabilizing method thereof | Akira Umezawa, Yasuhiko Honda, Gyosho Chin | 2012-05-01 |
| 7750727 | Voltage generating circuit | Yasuhiko Honda, Yoshihiko Kamata | 2010-07-06 |
| 6934211 | DRAM with refresh control function | Toshikatsu Hazama | 2005-08-23 |
| 5544120 | Semiconductor integrated circuit including ring oscillator of low current consumption | Ryosuke Matsuo, Keiji Maruyama, Naokazu Miyawaki, Hisashi Ueno | 1996-08-06 |
| 5442587 | Semiconductor memory device | Yuji Watanabe | 1995-08-15 |