Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349084 | Process for recovering high-purity organic acid | Akihiro Shishikura, Hiroshi Kimbara, Katsuhisa Yamaguchi | 1994-09-20 |
| 5332341 | Pressure foot of printed circuit board drilling apparatus | Yasuhiko Kanaya, Kazunori Hamada | 1994-07-26 |
| 5315072 | Printed wiring board having blind holes | Yasuhiko Kanaya | 1994-05-24 |