Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040735 | Semiconductor memory device capable of detecting write completion at high speed | — | 2011-10-18 |
| 8032810 | Non-volatile semiconductor storage device and non-volatile storage system | Tatsuyuki Ishikawa, Hironori Uchikawa | 2011-10-04 |
| 7872910 | Non-volatile semiconductor storage system | Noboru Shibata, Hironori Uchikawa | 2011-01-18 |
| 7855915 | Nonvolatile semiconductor storage device capable of high-speed writing | Yoshikazu Takeyama | 2010-12-21 |
| 7852685 | Semiconductor memory device | Kiyoaki Iwasa | 2010-12-14 |
| 7808821 | Nonvolatile semiconductor memory including memory cell for storing multilevel data having two or more values | Mikio Ogawa, Katsuaki Isobe, Yoshikazu Takeyama, Noboru Shibata | 2010-10-05 |
| 7589997 | Non-volatile semiconductor memory device that performs data allocation | Noboru Shibata, Shinji Saito | 2009-09-15 |
| 7554849 | Nonvolatile semiconductor memory | Katsuaki Isobe | 2009-06-30 |
| 7551485 | Semiconductor memory device | Noboru Shibata | 2009-06-23 |
| 7508704 | Non-volatile semiconductor storage system | Noboru Shibata, Hironori Uchikawa | 2009-03-24 |
| 7505315 | Nonvolatile semiconductor storage apparatus | Noboru Shibata | 2009-03-17 |
| 7362623 | Semiconductor memory device | Noboru Shibata | 2008-04-22 |
| 7349249 | Semiconductor memory device | Noboru Shibata, Kazunori Kanebako | 2008-03-25 |
| 6705430 | Dust preventing structure of guide unit | Hidekazu Michioka, Yoshiaki Saitou, Yasuhide Katsumata | 2004-03-16 |
| 6571653 | Ball screw | Ryuji Takeda, Tetsuhiro Nishide, Hiroshi Niwa | 2003-06-03 |
| 6401867 | Lubricant supply system | Hidekazu Michioka | 2002-06-11 |
| 6364058 | Lubricant supply device | Tetsuhiro Nishide, Mieko Fujitsuna | 2002-04-02 |
| 6276225 | Ball screw assembly | Ryuji Takeda, Tetsuhiro Nishide, Hiroshi Niwa | 2001-08-21 |
| 6155717 | Linear movement device and lubricant supplying device used therefor | Hidekazu Michioka | 2000-12-05 |
| 6152602 | Ball spline unit and method of forming outer cylinder of ball spline unit | Tomozumi Murata | 2000-11-28 |
| 6116783 | Ball chain | Takeki Shirai, Shigeru Ebina, Tomozumi Murata | 2000-09-12 |
| 6012848 | Endless sliding guide apparatus | Hidekazu Michioka, Hiroshi Takamatsu | 2000-01-11 |
| 5988883 | Endless retainer of guide device and fabrication method thereof | Hiroshi Takamatu, Hiroaki Mochizuki, Tomozumi Murata | 1999-11-23 |