Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9985519 | Voltage generation circuit | Yoshinao Suzuki | 2018-05-29 |
| 7701773 | Nonvolatile semiconductor storage device and operation method thereof | Koji Sakui | 2010-04-20 |
| 7643358 | Non volatile semiconductor memory device | Hiroshi Nakamura | 2010-01-05 |
| 7596020 | Multi-level nonvolatile semiconductor memory device capable of discretely controlling a charge storage layer potential based upon accumulated electrons | Koji Sakui | 2009-09-29 |
| 7545684 | Nonvolatile semiconductor storage device and operation method thereof | Koji Sakui | 2009-06-09 |
| 7190211 | Semiconductor device equipped with a voltage step-up circuit | Kazuo Sato, Hiromi Uenoyama, Yasuyuki Ohnishi, Kazunori Torii | 2007-03-13 |
| 6888399 | Semiconductor device equipped with a voltage step-up circuit | Kazuo Sato, Hiromi Uenoyama, Yasuyuki Ohnishi, Kazunori Torii | 2005-05-03 |
| 5277543 | Device for monitoring abrasion loss of a thrust bearing in a submerged motor pump | Shotaro Noguchi, Shikou Kiyota, Akira Yasue, Akio Uehara | 1994-01-11 |
| 5192413 | Electroosmotic dewaterer | Mikimasa Yamaguchi, Hideyuki Ohanamori, Masayuki Yoshida, Toshitaka Arai, Hiroshi Matsushita | 1993-03-09 |
| 4406087 | Aseismatic device for doors | Hiroshi Asaka | 1983-09-27 |