SK

Shingo Koyama

TK Terumo Kabushiki Kaisha: 18 patents #42 of 1,558Top 3%
KA Kao: 5 patents #670 of 3,221Top 25%
TC Tsubakimoto Chain: 2 patents #212 of 593Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Overall (All Time): #150,978 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
5037837 Phenoxypropylamine derivatives or salts thereof and antiulcer agents containing the same Yoshiyuki Shikata, Ryoichi Nanba, Isamu Endo, Masashi Isozaki, Tadashi Okumura +1 more 1991-08-06