Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472022 | Method for forming thin film, spheroid coated with thin film, light bulb using the spheroid and equipment for film formation | Yuuji Omata, Naotaka Hashimoto, Masahide Yokoyama, Toshiyuki Suemitsu | 2002-10-29 |