Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8900337 | Method for producing alumina sintered body, alumina sintered body, abrasive grains, and grindstone | Hirokazu Miyazawa, Takeshi IEMURA | 2014-12-02 |
| 8894730 | Alumina sintered body, abrasive grains, and grindstone | Hirokazu Miyazawa, Takeshi IEMURA | 2014-11-25 |
| 8882871 | Alumina sintered body, abrasive grains, and grindstone | Hirokazu Miyazawa, Takeshi IEMURA | 2014-11-11 |
| 7789330 | Roundish fused alumina particles, production process thereof, and resin composition containing the particles | Hirokazu Miyazawa | 2010-09-07 |
| 7410690 | Ultrafine mixed-crystal oxide, production process and use thereof | Jun Tanaka | 2008-08-12 |
| 7264185 | Dry grinding system and dry grinding method | Hirokazu Miyazawa | 2007-09-04 |
| 7083130 | Dry grinding system and dry grinding method | Hirokazu Miyazawa | 2006-08-01 |
| 7083852 | Ultrafine mixed-crystal oxide, production process and use thereof | Jun Tanaka | 2006-08-01 |
| 6835455 | Ultrafine particulate complex oxide containing titanium oxide | Jun Tanaka | 2004-12-28 |
| 6572964 | Ultrafine mixed-crystal oxide, production process and use thereof | Jun Tanaka | 2003-06-03 |
| 6548169 | Production process for ultrafine particulate complex oxide containing titanium oxide | Jun Tanaka | 2003-04-15 |
| 4694736 | Clean room | Taizo Yamagata, Takaaki Uchikawa, Shinichi Yamamoto, Yoshio Ogasahara, Masaru Sukagawa | 1987-09-22 |