Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861625 | Method of manufacturing a thermal printing head having a partially-glazed ceramic substrate | Kazuo Kondo | 1989-08-29 |
| 4839313 | Glaze compositions for ceramic substrates | Kazuo Kondo, Masahiko Okuyama | 1989-06-13 |