Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676836 | Method for waste water treatment using charcoal biologically activated | Kazuyuki Yamasaki, Shirou Imazu | 1997-10-14 |
| 5610439 | Press-contact type semiconductor devices | Michiaki Hiyoshi, Hisayoshi Muramatsu | 1997-03-11 |
| 5599443 | Apparatus for waste water treatment using charcoal biologically activated | Kazuyuki Yamasaki, Shirou Imazu | 1997-02-04 |
| 5597631 | Prepreg, composite molding body, and method of manufacture of the composite molded body | Goro Furumoto, Tsuneo Igarashi | 1997-01-28 |