Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9795910 | Honeycomb filter and production method for honeycomb filter | Akinori Orito, Yuichi Nagatsu | 2017-10-24 |
| 9719385 | Honeycomb filter | Takeshi Ushida, Akinori Orito, Yuichi Nagatsu | 2017-08-01 |
| 9486728 | Honeycomb filter and production method for honeycomb filter | Takafumi Kasuga, Misako Makino, Saiduzzaman Md | 2016-11-08 |
| 5874793 | High speed rotor assembly | Yoichi Kuwayama, Hiroyuki Izume, Kazushige Ohno | 1999-02-23 |