Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867843 | Surface roughening of ceramics and application to production of ceramic wiring board | Yutaka Taniguchi, Yukihisa Hiroyama | 1989-09-19 |
| 4842899 | Process for forming metallic film on inorganic material | Yoshiyuki Tsuru, Toshiro Okamura, Tetsuya Okishima, Masahiro Kawamura | 1989-06-27 |