Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623359 | Sealed honeycomb structure | Tetsuo Toyoshima, Akira Takahashi, Jung Min Seo, Won Soon Park | 2017-04-18 |
| 9616372 | Plugged honeycomb structure | Akira Takahashi, Tetsuo Toyoshima | 2017-04-11 |
| 9555355 | Manufacturing method for honeycomb structure and honeycomb structure | Yusuke Tsuchiya, Hiroyuki Suenobu, Masaki HOURA | 2017-01-31 |