Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025796 | Method for evaluating the quality of abrasive grains, polishing method and abrasive for polishing glass | Hirotsugu Komiya, Sumihisa Yamaguchi, Atsuyoshi Takenaka, Shigeaki Yonemori | 2006-04-11 |