YI

Yuuki Ishizaki

NT Ntn: 2 patents #586 of 1,364Top 45%
Overall (All Time): #2,022,719 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8956051 Sealed rolling bearing Yasuhiko Shimizu, Tsukasa Toyoda, Yoriko Kosaka, Fumihiro Murakami 2015-02-17
8740471 Retainer segment for tapered roller bearing, tapered roller bearing, and method for mounting tapered roller bearing Masahiro Yamada, Katsunori Sone, Tsukasa Toyoda, Yoriko Kosaka 2014-06-03