SU

Shinya Umemoto

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #3,256,737 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7981700 Semiconductor oxidation apparatus and method of producing semiconductor element Shunichi Sato, Naoto Jikutani, Akihiro Itoh, Yoshiaki Zenno, Takatoshi Yamamoto 2011-07-19