Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11728642 | Semiconductor device and protection circuit | Shigefumi Ishiguro, Yasuhiro Suematsu, Kimimasa Imai, Maya INAGAKI | 2023-08-15 |
| 8213882 | Voltage converting circuit and radio communication apparatus | Takashi Ueno, Takeshi Ueno | 2012-07-03 |
| 7808280 | Semiconductor device | — | 2010-10-05 |
| 7203120 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Shigeru Atsumi | 2007-04-10 |
| 7180796 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Shigeru Atsumi | 2007-02-20 |
| 6996024 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Shigeru Atsumi | 2006-02-07 |
| 6813130 | Semiconductor integrated circuit device including protection circuit for preventing circuit breakdown by static electricity | — | 2004-11-02 |
| 6771547 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Shigeru Atsumi | 2004-08-03 |
| 6605986 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Shigeru Atsumi | 2003-08-12 |
| 6487120 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Shigeru Atsumi | 2002-11-26 |
| 6281665 | High speed internal voltage generator with reduced current draw | Tooru Tanzawa, Masao Kuriyama | 2001-08-28 |
| 5877985 | Intermediate voltage generating circuit and nonvolatile semiconductor memory having the same | Hironori Banba | 1999-03-02 |