Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461735 | Coated article | Masahiro Furuya, Satoshi Iwasaki, Masaaki Yamaya, Akira Yamamoto | 2002-10-08 |
| 6440324 | Method for manufacturing piezoelectric ceramic composition, piezoelectric resonator, piezoelectric transformer and piezoelectric actuator, and piezoelectric laminated sintered body | Koichi Hayashi, Akira Ando, Toshikatsu Hisaki, Masanori Kimura | 2002-08-27 |
| 6347994 | Game system and computer-readable recording medium used in the same | Nobuhiro Yamada | 2002-02-19 |