SU

Shigeo Umezaki

SC Sumitomo Chemical: 1 patents #103 of 341Top 35%
Overall (2002): #116,608 of 266,432Top 45%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6376939 Sensor apparatus and safety apparatus for protecting approach to machines Takashi Suzuki, Ichirou Washizaki 2002-04-23