Katsumasa Yamamoto
Sumitomo Seika Chemicals Co. · Toyo Boseki Kabushiki Kaisha · Toyo Boseki Kabushiki Kaisha T/A Toyobo Co.
Total Patents:
17
Overall Rank:
#269,938
Years Active:
1987–2023
Sumitomo Seika Chemicals Co. Rank:
#14