Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8355112 | Methods and systems for strengthening LCD modules | — | 2013-01-15 |
| 8169587 | Methods and systems for strengthening LCD modules | — | 2012-05-01 |
| 6637245 | Methods of making key assemblies | — | 2003-10-28 |
| 6308542 | Key assemblies and methods of making same | — | 2001-10-30 |
| 5931035 | Cylinder type lock arrangement | — | 1999-08-03 |
| 5765417 | Free wheel lock cylinder | — | 1998-06-16 |
| 5669843 | Actuator | Yoshio Yuyama, Katsutoshi Akutagawa, Hiromi Matsuura | 1997-09-23 |