Issued Patents 2004
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821495 | Method for the continuous production of silicon oxide powder | Hirofumi Fukuoka, Takeshi Fukuda | 2004-11-23 |
| 6818722 | Preparation of organopolysiloxanes | Kiyoyuki Mutoh, Yasuhito Mohara | 2004-11-16 |
| 6809053 | Method for reactivating sulfonated resin catalyst | Hiroshi Nakayama, Masao Maruyama, Hiromi Nakabayashi | 2004-10-26 |
| 6797447 | Electrostatic image developer | Yoshiharu Konya, Koichiro Watanabe | 2004-09-28 |
| 6777152 | Electrostatic image developer | Yoshiharu Konya, Koichiro Watanabe | 2004-08-17 |
| 6759160 | Silicon oxide powder and making method | Hirofumi Fukuoka, Satoru Miyawaki, Kenji Ooka, Mikio Aramata, Takeshi Fukuda | 2004-07-06 |
| 6737538 | Purification of silicone oil | Hiroshi Nakayama, Masao Maruyama, Hiromi Nakabayashi | 2004-05-18 |
| 6727376 | Preparation of organohalosilanes | Toshio Shinohara, Mikio Aramata, Yoichi Tanifuji, Tetsuya Inukai, Hajime Ishizaka | 2004-04-27 |
| 6696034 | Method for producing hydrophobic silica fine powder | Yasuaki Nozawa, Kiyoshi Shirasuna, Hidekazu Uehara, Keiji Shibata | 2004-02-24 |
| 6685906 | Silicon oxide containing active silicon and its evaluation | Hirofumi Fukuoka, Mikio Aramata, Kazutoshi Fujioka, Takeshi Fukuda | 2004-02-03 |
| 6686312 | Metallic copper catalyst and process for making organohalosilanes | Mikio Aramata, Masaaki Furuya, Yoshihiro Shirota, Akio Muraida, Toshio Shinohara | 2004-02-03 |