Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458219 | Metal surface-treating method | Hiroshi Chihara, Kenji Tsuge, Toru Hata, Eriko Okuno, Takahiro Nagayama | 2002-10-01 |
| 6395807 | Fine spherical silica and liquid sealing resin composition containing same | Shinsuke Miyabe, Takeshi Sakamoto | 2002-05-28 |
| 6365649 | Fused spherical silica, method for producing same and liquid sealing resin composition | Shinsuke Miyabe, Takeshi Sakamoto | 2002-04-02 |