Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497743 | Fertilizer composition | Masaharu Hayashi, Kazuhiko Kurita, Masatoshi Kamei, Katsuhiko Yamaguchi | 2002-12-24 |
| 6489269 | Plant-activating agent | Masaharu Hayashi, Masatoshi Kamei, Toshio Hayashi, Kazuhiko Kurita | 2002-12-03 |
| 6387147 | Fertilizer composition | Masaharu Hayashi, Kazuhiko Kurita, Masatoshi Kamei, Katsuhiko Yamaguchi | 2002-05-14 |