Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7637542 | Door lock apparatus | Makoto Suzumura, Akira Muramatsu, Yukinobu Kunimatsu | 2009-12-29 |
| 7559586 | Door lock apparatus for a vehicle | Katsutoshi Fukunaga, Makoto Suzumura, Akira Muramatsu, Yukinobu Kunimatsu, Kazuhisa Hidaka | 2009-07-14 |
| 7380845 | Vehicle door lock device | Makoto Suzumura, Akira Muramatsu, Yukinobu Kunimatsu | 2008-06-03 |
| 7192016 | Torsion spring assembling structure | Katsutoshi Fukunaga, Takashi Nishio, Akira Muramatsu | 2007-03-20 |