Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352426 | Method for the preparation of coprecipitated carbonate of lanthanum, cerium and terbium | Shigeru Sakai, Norifumi Yoshida | 1994-10-04 |
| 5319479 | Deposited multi-layer device with a plastic substrate having an inorganic thin film layer | Katsuyuki Yamada, Eiichi Ohta, Kenji Kameyama, Hitoshi Kondo, Masaetsu Takahashi +1 more | 1994-06-07 |
| 5286688 | Rare earth oxide powder | Fumihiko Saito, Norifumi Yoshida | 1994-02-15 |