Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925974 | Connectors incorporating retainers and stopper mechanisms | Takanori Nagaya, Kenji Tozaki | 2015-01-06 |
| 8234855 | Exhaust gas purification device for internal combustion engine | Hiroaki Toyama | 2012-08-07 |
| 8074446 | Exhaust gas purification system for internal combustion engine | Shunsuke Toshioka, Takamitsu Asanuma | 2011-12-13 |