KK

Ken-ichi Koyakumaru

KC Kuraray Co.: 2 patents #662 of 1,827Top 40%
📍 Okayama, JP: #543 of 1,590 inventorsTop 35%
Overall (All Time): #2,210,646 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6350876 4-chloro-3,5-dimethyl-2-sulfonyl pyridines Takashi Sugioka, Tomoya Kuwayama, Goro Asanuma 2002-02-26
6197962 Method for producing 2-sulfonylpyridine derivatives and method for producing 2-{[(2-pyridyl)methyl]thio}-1H-benzimidazole derivatives Takashi Sugioka, Tomoya Kuwayama, Goro Asanuma 2001-03-06