Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104633 | Method for producing high-purity metallic silicon and apparatus therefor | Yasuhiko Sakaguchi, Fukuo Aratani, Kazuhiro Uchino, Kunio Miyata, Masato Ishizaki +1 more | 1992-04-14 |
| 4824806 | Glass fibers having low dielectric constant | Koji Yokoi, Seiichiro Manabe | 1989-04-25 |
| 4678652 | Process for producing silica in fine powder form | Hiroyuki Tamenori, Akihiko Hattori | 1987-07-07 |