Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341085 | Storage device employing a flash memory | Hajime Yamagami, Kouichi Terada, Yoshihiro Hayashi, Takashi Tsunehiro, Kunihiro Katayama +1 more | 2002-01-22 |
| 6275436 | Flash memory control method and apparatus processing system therewith | Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Ryuichi Hattori +11 more | 2001-08-14 |
| 6272610 | File memory device using flash memories, and an information processing system using the same | Kunihiro Katayama, Jun Kitahara, Tsunehiro Tobita, Kazunori Furusawa | 2001-08-07 |
| 6145050 | Semiconductor disk storage apparatus including a write buffer memory in which instructions are sequentially fed to a plurality of flash memories to continuously write sectors of data in an overlapped manner into the flash memories | Kunihiro Katayama, Takashi Tsunehiro | 2000-11-07 |
| 6130837 | Storage device employing a flash memory | Hajime Yamagami, Kouichi Terada, Yoshihiro Hayashi, Takashi Tsunehiro, Kunihiro Katayama +1 more | 2000-10-10 |
| 6078520 | Flash memory control method and information processing system therewith | Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Ryuichi Hattori +11 more | 2000-06-20 |
| 5973964 | Flash memory control method and information processing system therewith | Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Ryuichi Hattori +11 more | 1999-10-26 |
| 5862083 | Information processing system | Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Ryuichi Hattori +11 more | 1999-01-19 |
| 5809515 | Semiconductor storage device in which instructions are sequentially fed to a plurality of flash memories to continuously write and erase data | Kunihiro Katayama, Takashi Tsunehiro | 1998-09-15 |
| 5644539 | Storage device employing a flash memory | Hajime Yamagami, Kouichi Terada, Yoshihiro Hayashi, Takashi Tsunehiro, Kunihiro Katayama +1 more | 1997-07-01 |
| 5530673 | Flash memory control method and information processing system therewith | Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Ryuichi Hattori +11 more | 1996-06-25 |
| 5530828 | Semiconductor storage device including a controller for continuously writing data to and erasing data from a plurality of flash memories | Kunihiro Katayama, Takashi Tsunehiro | 1996-06-25 |
| 5243269 | Battery power supply system | Kunihiro Katayama, Takashi Tsunehiro | 1993-09-07 |