Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810463 | Gaming machine that is usable with different game cartridge types | Kazuo Yoneyama, Masahiko Ota, Ryuji Umezu, Takanobu Nakashima | 2004-10-26 |
| 6746214 | Control valve for compressors and manufacturing method thereof | Takayuki Sakai, Takaaki Ichikawa | 2004-06-08 |
| 6709634 | Automatic analytical instrument | Tadahiro Takami, Motoki Koyama, Katsushi Yano, Koichi Miyake | 2004-03-23 |
| D484918 | Hand-held electronic game machine | Kenichi Sugino, Masato Ibuki | 2004-01-06 |