HK

Hiroaki Kawai

KS Kobe Steel: 2 patents #25 of 247Top 15%
KC Kobelco Construction Machinery Co.: 2 patents #5 of 46Top 15%
Overall (2018): #144,630 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10150655 Electric winch device Takashi Hiekata, Toshiro Yamashita, Shintaro Sasai, Naoto Hori, Koichi Shimomura 2018-12-11
10087057 Braking apparatus for electric winch Takashi Hiekata, Shintaro Sasai, Toshiro Yamashita 2018-10-02