Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498741 | Semiconductor memory device | Katsuki Matsudera, Kazuhide Yoneya, Toshiki Hisada, Masaru Koyanagi, Natsuki Kushiyama +1 more | 2002-12-24 |
| 6496442 | Dynamic random access memory device and semiconductor integrated circuit device | Masaru Koyanagi, Kaoru Nakagawa, Satoru Takase | 2002-12-17 |
| 6466490 | Semiconductor memory circuit | Takeshi Nagai, Masaru Koyanagi | 2002-10-15 |
| 6370077 | Dynamic random access memory device and semiconductor integrated circuit device | Masaru Koyanagi, Kaoru Nakagawa, Satoru Takase | 2002-04-09 |