Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380614 | Non-contact type IC card and process for manufacturing same | Tsutomu Higuchi, Tomoharu Fujii, Shigeru Okamura, Tsuyoshi Sato, Masatoshi Akagawa | 2002-04-30 |
| 5705758 | Non-magnetic or feebly magnetic diamond sintered compact and a process for the productin of the same | Akihiko Yamamura | 1998-01-06 |