Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537833 | Pyrogenically produced silicon dioxide powder and dispersion thereof | Kai Schumacher, Hauke Jacobsen, Ralph Brandes, Matthias Rochnia, Takeyoshi Shibasaki | 2009-05-26 |
| 7494636 | Highly dispersible fine hydrophobic silica powder and process for producing the same | Rikio Saito, Takeyoshi Shibasaki | 2009-02-24 |
| 7351388 | Pyrogenically produced silicon dioxide powder | Kai Schumacher, Hitoshi Kobayashi, Paul Brandl | 2008-04-01 |
| 7109256 | Surface-modified inorganic oxide powder, process for producing the same, and use thereof | Yuki Amano, Takeyoshi Shibasaki | 2006-09-19 |
| 6852789 | Glycols starting materials containing dispersed superfine ceramic powder coagulates capable of forming polyester molded bodies having high mechanical strength and transparency | Mitsuru Ochiai, Keiichi Iida | 2005-02-08 |
| 6573018 | Surface-treated metallic-oxide fine powder, and its production and use | Eiji Komai, Ralph Brandes | 2003-06-03 |
| 6077640 | Fine powder of hydrophobic metal oxide, method for producing it, and toner composition for electrophotography | Eiji Komai, Masamichi Murota, Hirokuni Shirono | 2000-06-20 |