Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7702214 | Information storage medium and apparatus for reproducing the same | Kaoru Yamamoto, Takao Sawabe, Hidehiro Ishii, Tokihiro Takahashi | 2010-04-20 |
| 7340156 | Information storage medium with aggregate attribute information, and apparatus for reproducing the same | Hidehiro Ishii, Takao Sawabe, Yoshinori Hasegawa, Kaoru Yamamoto, Tokihiro Takahashi | 2008-03-04 |
| 7194196 | Information record medium, and apparatus for and method of reproducing the same | Kaoru Yamamoto, Takao Sawabe, Hidehiro Ishii, Tokihiro Takahashi | 2007-03-20 |
| 6965727 | Information record medium and apparatus for reproducing the same | Takao Sawabe, Kaoru Yamamoto, Hidehiro Ishii, Tokihiro Takahashi, Yoshinori Hasegawa | 2005-11-15 |
| 6859421 | Apparatus for reproducing information from record medium on which audio information of differing recording methods is recorded | Takao Sawabe, Kaoru Yamamoto, Hidehiro Ishii, Tokihiro Takahashi, Yoshinori Hasegawa | 2005-02-22 |
| 6760540 | Information storage medium and apparatus for reproducing the same | Kaoru Yamamoto, Takao Sawabe, Hidehiro Ishii, Tokihiro Takahashi | 2004-07-06 |
| 6687211 | Information record medium on which audio information differing in recording methods are recorded and apparatus for reproducing the same | Takao Sawabe, Kaoru Yamamoto, Hidehiro Ishii, Tokihiro Takahashi, Yoshinori Hasegawa | 2004-02-03 |
| 6574187 | Audio information recording medium and audio information reproducing apparatus | Hidehiro Ishii, Takao Sawabe, Kaoru Yamamoto, Yoshinori Hasegawa, Tokihiro Takahashi | 2003-06-03 |
| 6396781 | Audio information recording medium and audio information reproducing apparatus | Hidehiro Ishii, Takao Sawabe, Kaoru Yamamoto, Yoshinori Hasegawa, Tokihiro Takahashi | 2002-05-28 |
| 6343055 | Apparatus for and method of reproducing music together with information representing beat of music | Hidehiro Ishii, Takao Sawabe, Yoshinori Hasegawa, Kaoru Yamamoto, Hirokazu Inotani +2 more | 2002-01-29 |
| 6308006 | Information storage medium and apparatus for reproducing the same | Kaoru Yamamoto, Takao Sawabe, Hidehiro Ishii, Tokihiro Takahashi | 2001-10-23 |
| 6272082 | Audio information recording medium and audio information reproducing apparatus | Hidehiro Ishii, Takao Sawabe, Kaoru Yamamoto, Yoshinori Hasegawa, Tokihiro Takahashi | 2001-08-07 |
| 6094638 | Audio signal processing apparatus and audio signal processing method for multi channel audio reproduction system | Hirokazu Inotani, Takao Sawabe, Yoshinori Hasegawa, Hidehiro Ishii, Kaoru Yamamoto +1 more | 2000-07-25 |
| 4507694 | Selection/drive system for use in a tape recording/reproducing apparatus | Toshio Hosono, Masayoshi Sakamoto | 1985-03-26 |