YK

Yoshihiko KOYANAGI

DC Daido Steel Co.: 7 patents #4 of 272Top 2%
DT Daido Tokushuko: 1 patents #152 of 382Top 40%
TC Tocalo Co.: 1 patents #41 of 105Top 40%
Overall (All Time): #593,700 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12188113 Austenitic stainless steel and hydrogen resistant member Nobuyuki Takahashi, Daisuke Kudo, Tomohiro Ando 2025-01-07
11732331 Ni-based alloy, and Ni-based alloy product and methods for producing the same Kenji Sugiyama, Masashi Nagaya, Yusuke Kusafuka, Hiroyuki Takabayashi 2023-08-22
11193195 Component for hot-dip metal plating bath Junichi Takeuchi, Masaya Nagai, Shinichi Kubo, Masashi Nagaya, Yoshinori Sumi +2 more 2021-12-07
10689723 Ferritic stainless steel and heat-resistant member Hiroyuki Takabayashi 2020-06-23
10526689 Heat-resistant Ti alloy and process for producing the same Takuma Okajima 2020-01-07
10385426 Ni-based superalloy Kyohei Yokota, Yoshinori Sumi, Hiroyuki Takabayashi 2019-08-20
9670787 Ti—Al-based heat-resistant member Hiroyuki Takabayashi, Yoshinori Sumi 2017-06-06
8512486 Beta-type titanium alloy and product thereof Michiharu Ogawa, Tetsuya Shimizu 2013-08-20