Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155013 | Recording apparatus, recording method, reproducing apparatus, and reproducing method | Teppei Yokota, Takumi Okaue | 2006-12-26 |
| 7124436 | Security unit for use in memory card | Takumi Okaue, Yoshihito Ishibashi, Yukihiro Sakamoto, Asami Mizuno, Teppei Yokota | 2006-10-17 |
| 7099558 | Recording medium editing apparatus based on content supply source | Teppei Yokota | 2006-08-29 |
| 7092911 | Reproducing apparatus and reproducing method | Teppei Yokota, Eiichi Yamada, Takumi Okaue | 2006-08-15 |
| 7089271 | Editing apparatus and editing method | Teppei Yokota | 2006-08-08 |
| 7082256 | Recording medium editing apparatus based on content supply source | Teppei Yokota | 2006-07-25 |
| 7058285 | Recording medium editing apparatus based on content supply source | Teppei Yokota | 2006-06-06 |
| 6985584 | Non-volatile record medium, recording method, and recording apparatus | Teppei Yokota | 2006-01-10 |
| 6907184 | Recording medium editing apparatus based on content supply source | Teppei Yokota | 2005-06-14 |
| 6820203 | Security unit for use in memory card | Takumi Okaue, Yoshihito Ishibashi, Yukihiro Sakamoto, Asami Mizuno, Teppei Yokota | 2004-11-16 |
| 6807024 | Reproducing apparatus and reproducing method | Teppei Yokota, Eiichi Yamada | 2004-10-19 |
| 6799273 | Data processing system and method for mutual identification between apparatuses | Tateo Oishi, Tomoyuki Asano, Teppei Yokota | 2004-09-28 |
| 6792539 | Processing method and apparatus for encrypted data transfer | Tateo Oishi, Ryuji Ishiguro, Takumi Okaue, Teppei Yokota | 2004-09-14 |
| 6788604 | Apparatus and method for determining the erasability of data in a memory | Teppei Yokota | 2004-09-07 |
| 6748485 | Recording medium, recording apparatus and recording/reproducing system for tracking use and transfer of data | Teppei Yokota | 2004-06-08 |
| 6691149 | System for distributing music data files between a server and a client and returning the music data files back to the previous locations | Teppei Yokota | 2004-02-10 |
| 6678203 | Editing apparatus, editing method, and non-volatile memory | Teppei Yokota | 2004-01-13 |
| 6618789 | Security memory card compatible with secure and non-secure data processing systems | Takumi Okaue, Teppei Yokota | 2003-09-09 |
| 6601140 | Memory unit, data processing unit, and data processing method using memory unit type | Takumi Okaue, Akira Sassa, Teppei Yokota | 2003-07-29 |
| 6580647 | Editing apparatus, editing method, and non-volatile memory | Teppei Yokota | 2003-06-17 |
| 6434103 | Recording medium, recording apparatus, recording method, editing apparatus and editing method | Teruyuki Shitara, Eiichi Yamada, Teppei Yokota | 2002-08-13 |
| 6404676 | Nonvolatile memory and nonvolatile memory reproducing apparatus | Teppei Yokota | 2002-06-11 |
| 6262915 | Nonvolatile memory and nonvolitile memory reproducing apparatus | Teppei Yokota | 2001-07-17 |
| 6212097 | Nonvolatile memory | Teppei Yokota | 2001-04-03 |
| 6097557 | Method and apparatus for recording compressed audio data on recording medium and method for transferring compressed audio data | Hiraku Inoue, Toshihiko Takahashi, Shoko Hiroyasu | 2000-08-01 |