JY

Jyunichi Yamashita

VA Valqua: 1 patents #29 of 42Top 70%
Overall (All Time): #2,707,689 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10907736 Split seal ring Mitsuru MINAMI, Akira Ueda, Akihiro Nagano, Katsuhisa Umeda 2021-02-02