Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9839869 | Honeycomb filter | Takafumi Kasuga, Misako Makino | 2017-12-12 |
| 9486728 | Honeycomb filter and production method for honeycomb filter | Naoyuki Jinbo, Takafumi Kasuga, Misako Makino | 2016-11-08 |