Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8106320 | Decorative sheet, decorative molded body, decorative key sheet, and decorative sheet manufacturing method | Masami Arai | 2012-01-31 |
| 7737375 | Key sheet | Masaya Katori, Toshikazu Yoshioka | 2010-06-15 |
| 7364649 | Method of producing the keytop for pushbutton switch | Atsushi Hikita | 2008-04-29 |
| 6762381 | Key top for pushbutton switch and method of producing the same | Atsushi Hikita | 2004-07-13 |