Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8553059 | Thermal printer head and manufacturing method thereof | Yasuhiro Yoshikawa | 2013-10-08 |
| 6579125 | Clip connector, method of attaching clip connector, and assembly of clip connector and support member | Takaya Nagahata, Koji Nishi, Yasuhiro Yoshikawa, Yoshinobu Kishimoto, Koichi Wada | 2003-06-17 |
| 6317150 | Protection cover for thermal printhead, and thermal printhead using the same | Takaya Nagahata, Yasuhiro Yoshikawa | 2001-11-13 |
| 4645513 | Process for modification of coal | Katsuzo Kubota, Masayuki Nakai | 1987-02-24 |