Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694067 | Memory card | Nagamasa Mizushima, Takashi Tsunehiro, Motoyasu Tsunoda, Toshio Tanaka, Kunihiro Katayama +1 more | 2010-04-06 |
| 7607140 | Device management system | Takatoshi Kato, Takashi Tsunehiro | 2009-10-20 |
| 7350023 | Memory card | Nagamasa Mizushima, Takashi Tsunehiro, Motoyasu Tsunoda, Toshio Tanaka, Kunihiro Katayama +1 more | 2008-03-25 |
| 7185145 | Memory card | Nagamasa Mizushima, Takashi Tsunehiro, Motoyasu Tsunoda, Toshio Tanaka, Kunihiro Katayama +1 more | 2007-02-27 |
| 6459644 | Semiconductor memory device with block alignment function | Nagamasa Mizushima, Kunihiro Katayama, Kazunori Furusawa, Takayuki Tamura | 2002-10-01 |
| 5644404 | Facsimile server system capable of recognizing at transmitting end an access to received facsimile data at receiving end | Shin'ichi Hashimoto, Kazuhiro Umemura, Hiroshi Kawamura | 1997-07-01 |