Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623820 | Silica-alumina composite sol, processes for producing the same, and recording medium | Katsumasa Nakahara, Noriko Torimoto, Toshiya Matsubara, Shinichi Suzuki, Hisao Inokuma +1 more | 2003-09-23 |
| 6531222 | Fine hollow glass sphere and method for preparing the same | Masaharu Tanaka, Kenji Yamada | 2003-03-11 |
| 6524397 | Method for removing an acidic deposit | Shigeru Sakurai, Masaharu Emoto, Makoto Yoshida, Hiroaki Noda, Michihiro Kawano | 2003-02-25 |