Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729161 | Method of selectively reforming an inner part of an inorganic body | Jianrong Qiu, Yuki Kondo, Kazuyuki Hirao | 2004-05-04 |
| 6728154 | Three-dimensional optical memory medium and process for producing same | Seiji Fujiwara | 2004-04-27 |