Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221073 | Axial gap electronic motor | Shinichi Yamada, Hisao Igarashi, Tomonori Kojima, Hidetaka Terakubo, Tomohiro Kashiwagi +3 more | 2007-05-22 |
| 7135800 | Axial gap electronic motor | Masaki Yamada, Hisao Igarashi, Kenji Narita, Takushi Fujioka, Tomonori Kojima +4 more | 2006-11-14 |
| 6646931 | Life warning generation system and method of semiconductor storage device equipped with flash memory | Shinichi Mizoguchi, Masatoshi Kimura | 2003-11-11 |
| 6523755 | Semiconductor memory device | — | 2003-02-25 |
| 6460111 | Semiconductor disk drive and method of creating an address conversion table based on address information about defective sectors stored in at least one sector indicated by a management code | — | 2002-10-01 |
| 6158004 | Information storage medium and security method thereof | Colin James Mason | 2000-12-05 |
| 5905993 | Flash memory card with block memory address arrangement | — | 1999-05-18 |
| 5742934 | Flash solid state disk card with selective use of an address conversion table depending on logical and physical sector numbers | — | 1998-04-21 |
| 5732092 | Method of refreshing flash memory data in flash disk card | — | 1998-03-24 |
| 5724285 | Flash memory PC card capable of refreshing data a predetermined time after the PC card is removed from a host | — | 1998-03-03 |
| 5687346 | PC card and PC card system with dual port ram and switchable rewritable ROM | — | 1997-11-11 |
| 5581127 | IC memory card, host device and connecting system of IC memory card and host device | — | 1996-12-03 |
| 5574682 | PC card | — | 1996-11-12 |
| 5382839 | Power supply control circuit for use in IC memory card | — | 1995-01-17 |
| 5331516 | Portable semiconductor apparatus | Masatoshi Kimura | 1994-07-19 |
| 5212664 | Information card with dual power detection signals to memory decoder | — | 1993-05-18 |
| 5206783 | Portable semiconductor memory unit | Yoshihide Mori | 1993-04-27 |
| 5151774 | Portable semiconductor data storage device with disconnectable ground connection | Yoshihide Mori | 1992-09-29 |