Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7168624 | Semiconductor device and IC card | Kazuki Watanabe, Hisataka Tsunoda, Kazuhiro Matsushita | 2007-01-30 |
| 6831378 | Semiconductor integrated circuit device and contactless electronic device | Kazuki Watanabe, Ryouzou Yoshino, Hajime Kinota, Keiji Kamei | 2004-12-14 |
| 6795353 | Generating high voltages in nonvolatile memory devices and data processing systems | Yuki Matsuda, Kazuhiro Matsushita, Kazuki Watanabe | 2004-09-21 |
| 6487100 | Semiconductor integrated circuit device and contactless electronic device | Kazuki Watanabe, Ryouzou Yoshino, Hajime Kinota, Keiji Kamei | 2002-11-26 |
| 5982239 | Phase locked loop circuit and a picture reproducing device | Fumihiro Takahashi, Shikiko Nachi, Makoto Furihata | 1999-11-09 |
| 5323242 | Carrier signal generating circuit in video signal recording/reproducing apparatus | Hirokazu Kitamura, Katsuyoshi Yamashige, Takashi Kurihara, Tadashi Matsushima | 1994-06-21 |
| 4605901 | Frequency-voltage converter | Yasunori Kobori, Isao Fukushima, Hideo Nishijima, Yoshinori Masuda | 1986-08-12 |