Issued Patents All Time
Showing 26–35 of 35 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 |
| 6269030 | Semiconductor memory device | — | 2001-07-31 |
| 6198649 | Semiconductor memory device | Katsuki Matsudera, Kazuhide Yoneya, Toshiki Hisada, Masaru Koyanagi, Natsuki Kushiyama +1 more | 2001-03-06 |
| 5994937 | Temperature and power supply adjusted address transition detector | Khandker N. Quader, Yohji Watanabe | 1999-11-30 |
| 5293055 | Semiconductor integrated circuit device | Syuso Fujii | 1994-03-08 |
| 5194762 | MOS-type charging circuit | Syuso Fujii, Shigeyoshi Watanabe | 1993-03-16 |
| 5150188 | Reference voltage generating circuit device | Syuso Fujii | 1992-09-22 |