Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786302 | Method of preparing tubular silica glass | Haruo Osafune, Sadao Kanbe, Masahisa Ikejiri | 1988-11-22 |
| 4680045 | Method of preparing tubular silica glass | Haruo Osafune, Sadao Kanbe, Masahisa Ikejiri | 1987-07-14 |