Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498741 | Semiconductor memory device | Kazuhide Yoneya, Toshiki Hisada, Masaru Koyanagi, Natsuki Kushiyama, Kaoru Nakagawa +1 more | 2002-12-24 |
| 6480034 | MOS-type semiconductor integrated circuit | Masaru Koyanagi | 2002-11-12 |