| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 8 | |
| #2 | United States | 7 | |
| #3 | United Kingdom | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hyoda Shunji | 11 |
| #2 | Sawada Hirotoshi | 6 |
| #3 | Nemugaki Shuichi | 5 |
| #4 | Fujita Hiroyuki | 5 |
| #5 | Kita Masaharu | 5 |
| #6 | Hasegawa Youichi | 4 |
| #7 | Ueta Takahiro | 4 |
| #8 | Nakagawa Mineo | 3 |
| #9 | Hasegawa Yoichi | 3 |
| #10 | Oki Yasuo | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US5977360A | Process for producing cyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine | |
| US5663365A | Process for the preparation of pyrazolones | |
| EP0134339A1 | Herbicidal composition |