Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537833 | Pyrogenically produced silicon dioxide powder and dispersion thereof | Kai Schumacher, Hauke Jacobsen, Ralph Brandes, Matthias Rochnia, Naruyasu Ishibashi | 2009-05-26 |
| 7494636 | Highly dispersible fine hydrophobic silica powder and process for producing the same | Naruyasu Ishibashi, Rikio Saito | 2009-02-24 |
| 7109256 | Surface-modified inorganic oxide powder, process for producing the same, and use thereof | Yuki Amano, Naruyasu Ishibashi | 2006-09-19 |
| 7083770 | Amorphous, fine silica particles, and method for their production and their use | Kazuyoshi Honda, Masamichi Murota, Hirokuni Shirono | 2006-08-01 |
| 6620508 | Oxide powder and method for preparing the same, and product using the same | Akira Inoue, Eiji Komai, Hirokuni Shirono | 2003-09-16 |
| 6352679 | Ultrafine particle silicon dioxide and process for producing the same | Kazuhisa Konno, Hirokuni Shirono | 2002-03-05 |
| 5843525 | Surface-modified metal oxide fine particles and process for producing the same | Masamichi Murota | 1998-12-01 |
| 4956159 | Process for recovering gallium trichloride from gallium-containing waste | Etsuji Kimura, Yutaka Nishiyama | 1990-09-11 |