TT

Takuya Tanahashi

NS Nippon Steel: 5 patents #528 of 4,423Top 15%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
Overall (All Time): #677,813 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12264373 Rail and method of manufacturing rail Masaharu Ueda, Jun Takahashi, Teruhisa Miyazaki 2025-04-01
12247358 Rail Masaharu Ueda, Teruhisa Miyazaki, Yusuke MAEDA 2025-03-11
10563357 Rail and production method therefor Masaharu Ueda, Teruhisa Miyazaki 2020-02-18
10494704 Rail Masaharu Ueda, Teruhisa Miyazaki 2019-12-03
10233512 Rail and production method therefor Masaharu Ueda, Teruhisa Miyazaki 2019-03-19
8980019 Steel rail and method of manufacturing the same Masaharu Ueda, Jun Takahashi, Akira Kobayashi 2015-03-17
8361246 Pearlite rail Masaharu Ueda, Kyohei Sonoyama, Teruhisa Miyazaki, Katsuya Iwano 2013-01-29