TO

Tokitake Okahira

FC Fine Sinter Co.: 3 patents #8 of 53Top 20%
NS Nippon Steel: 3 patents #914 of 4,423Top 25%
Overall (All Time): #1,386,360 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11674206 Sintered friction material for railway vehicles and method for producing the same Manabu Kubota, Kazutaka Asabe, Yuki Ichikawa, Takeshi Nakano, Isao SHIMAZOE 2023-06-13
11578775 Brake lining for railway vehicle, disc brake system for railway vehicle including same, and sintered friction material to be used for brake lining for railway vehicle Takahiro Fujimoto, Manabu Kubota, Takanori Kato, Atsushi Sakaguchi, Naruo MIYABE +2 more 2023-02-14
11434964 Brake lining for a railway vehicle and disk brake equipped with the same Takahiro Fujimoto, Atsushi Sakaguchi, Kazutaka Asabe, Kazumichi Kawasaki, Takeshi Nakano +2 more 2022-09-06