Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8394417 | Method of producing a dry earthworm powder | Yoichi Ishii, Kazuyuki Ishii, Hiroyuki Sumi, Sayaka Ishii | 2013-03-12 |
| 8137701 | Method of producing a dry earthworm powder | Yoichi Ishii, Hiroyuki Sumi | 2012-03-20 |
| 5373035 | Adhesive composition | Hiroshi Uemura | 1994-12-13 |