HK

Haruhiko Katoh

SC Sumitomo Chemical: 6 patents #802 of 4,033Top 20%
📍 Kasai, JP: #1,342 of 5,842 inventorsTop 25%
Overall (All Time): #896,389 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4451283 5-Oxo-2,5-dihydro-1,2,4-triazines Yuzuru Sanemitsu, Masao Shiroshita, Shunichi Hashimoto, Hiroshi Matsumoto 1984-05-29
4437880 N'-Phenyl-N-methylurea derivatives Junya Takahashi, Ichiki Takemoto, Katsuzo Kamoshita, Ryo Yoshida, Seizo Sumida 1984-03-20
4361437 3-Thiooxo-5-oxo-hexahydro-1,2,4-triazine and its production and use Shunichi Hashimoto, Hiromichi Oshio, Masato Mizutani, Yuzuru Sanemitsu, Seizo Sumida +1 more 1982-11-30
4337082 Herbicidal composition comprising triazinone compound Shunichi Hashimoto, Hiromichi Oshio, Masato Mizutani, Yuzuru Sanemitsu, Seizo Sumida 1982-06-29
4334912 Urea derivatives, and their production and use Ryo Yoshida, Seizo Sumida, Ichiki Takemoto, Junya Takahashi, Katsuzo Kamoshita 1982-06-15
4297129 3,5-Dioxo-1,2,4-triazines Yuzuru Sanemitsu, Masato Mizutani, Seizo Sumida, Hiromichi Oshio, Shunichi Hashimoto 1981-10-27