RY

Ryoichi Yoshino

SC Shinagawa Refractories Co.: 3 patents #20 of 162Top 15%
NI Nitta: 1 patents #106 of 237Top 45%
📍 Bizen, JP: #23 of 76 inventorsTop 35%
Overall (All Time): #1,136,644 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11850690 Method for manufacturing engine poppet valve Daiki Sato, Yuki Sasagawa 2023-12-26
5942147 Submerged nozzle replacing device Kenji Yamamoto, Tadao Taniguchi 1999-08-24
5879579 Submerged nozzle change device Kenji Yamamoto, Tadao Taniguchi, Noritaka Hashimoto 1999-03-09
5868954 Method for joining immersion nozzle Kenji Yamamoto, Tadao Taniguchi 1999-02-09