HK

Hitoshi Kawaguchi

TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
YI Yoshitomi Pharmaceutical Industries: 1 patents #145 of 310Top 50%
Overall (All Time): #2,294,454 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5312958 Process for producing 4-bromomethylbiphenyl compounds Syuji Suenaga, Takeshi Kato 1994-05-17
4968823 Process for the fractional production of alkytin oxide Aiichiro Kiyama, Yoshikazu Nakajima 1990-11-06