Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835121 | Infrared transparent glass ceramic articles with beta-quarts solid solution crystals without any other crystals | Takehiro Shibuya, Kazuhiro Matsui | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835121 | Infrared transparent glass ceramic articles with beta-quarts solid solution crystals without any other crystals | Takehiro Shibuya, Kazuhiro Matsui | 1989-05-30 |