Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597158 | Adjustable current consumption power supply apparatus | — | 2003-07-22 |
| 6587306 | Tape cassette of high transparency material | Shigeru Ishikawa, Hisashige Fujiwara, Yasufumi Hashimoto | 2003-07-01 |