TH

Toshio Hironaka

TO Tosoh: 1 patents #8 of 77Top 15%
Overall (1994): #58,004 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5321160 Process for producing an ethylenamine Noritaka Nagasaki, Yasushi Hara 1994-06-14