Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9513526 | Fine electret particles and process for producing same | Hiroshi Inoue, Ryuichi Kiyoe | 2016-12-06 |
| 9074060 | Processes for manufacturing electret fine particles or coarse powder | Hiroshi Inoue | 2015-07-07 |
| 8940809 | Processes for manufacturing electret fine particles or coarse powder | Hiroshi Inoue | 2015-01-27 |
| 8123845 | Water base dual color ink composition and writing utensil using the same | Takeshi Omatsu | 2012-02-28 |