Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9281095 | Alumina composite, method for manufacturing alumina composite, and polymer composition containing alumina composite | Takayuki Fujita | 2016-03-08 |
| 7434289 | Polisher brush having wire-shaped grinding elements | Takehiko Sumiyoshi, Suguru Matsushita | 2008-10-14 |