Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5768402 | Code data writing-once apparatus for recording writing-once code data in unrecorded writing-once blocks of optically readably printed and recorded code data | Masaru Ikeda, Wang Lifang, Naoaki Ishikawa, Yasuhiko Kawauchi | 1998-06-16 |