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Yasuyoshi Ueda

KAKaneka: 54 patents #1 of 1,525Top 1%

SCSumitomo Chemical: 14 patents #299 of 4,033Top 8%

KKKanegafuchi Kagaku Kogyo: 6 patents #77 of 691Top 15%

The Procter & Gamble: 2 patents #4,607 of 10,133Top 50%

HAH. Lundbeck A/S: 1 patents #292 of 451Top 65%

Overall (All Time): #25,098 of 4,157,543Top 1%

76 Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #	Title	Co-Inventors	Date
4625042	Process for preparing 6-fluoro-4-chromanone using 3-(4-fluorophenoxy)propionitrile	Satomi Takahashi, Yoshio Shimada, Kiyoshi Watanabe	1986-11-25