KH

Kazuaki Hirakawa

JS Jfe Steel: 1 patents #825 of 1,401Top 60%
SU Subaru: 1 patents #819 of 1,684Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #1,381,834 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12172208 Operation method of ladle refining treatment Koichiro Hirata, Isao Shimoda, Takashi Yamauchi, Hirohide Uehara 2024-12-24
10837799 Driving apparatus and driving control method Yu Shigeta, Masahiro Shimase 2020-11-17
9791356 Joint analyzing method, product designing method, and joint analyzing system Megumi Hiraki, Kousaburou AKIBA 2017-10-17