Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141939 | Power supply circuit that is stable against sudden load change | Takayuki Nagasawa, Shinji Yajima, Shunsuke Fueki, Hiroshi Okubo, Masayoshi Isobe +2 more | 2006-11-28 |
| 6820208 | IC card, IC chip, data assuring method and power supply monitor method | Masao Hoshino, Tomomi Shiobara | 2004-11-16 |
| 5303197 | Non-volatile semiconductor memory device having EEPROM cell, dummy cell, and sense circuit for increasing reliability and enabling one-bit operation | Takumi Miyashita, Haruo Koizumi | 1994-04-12 |