Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154803 | Electret fiber sheet | Sachio Inaba, Takuji Kobayashi | 2021-10-26 |
| 10512861 | Electret fiber sheet | Shingo Hayashi, Takuji Kobayashi | 2019-12-24 |
| 10406469 | Electret fiber sheet | Yohei Nakano, Takuji Kobayashi | 2019-09-10 |
| 9266046 | Mixed-fiber nonwoven fabric, laminated sheet and filter, and process for producing mixed-fiber nonwoven fabric | Akito Kuroda, Yoshikazu Yakake | 2016-02-23 |
| 9180392 | Mixed-fiber nonwoven fabric and filter medium using the same | Akito Kuroda, Yoshikazu Yakake | 2015-11-10 |