Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607155 | Magnetic tape cassette | Satoru Takaha | 2003-08-19 |
| 6587306 | Tape cassette of high transparency material | Shigeru Ishikawa, Hiroyuki Umeda, Hisashige Fujiwara | 2003-07-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607155 | Magnetic tape cassette | Satoru Takaha | 2003-08-19 |
| 6587306 | Tape cassette of high transparency material | Shigeru Ishikawa, Hiroyuki Umeda, Hisashige Fujiwara | 2003-07-01 |