HK

Hiroyuki Kurokawa

TO Toyota: 2 patents #555 of 3,229Top 20%
SC Sumitomo Construction Machinery Co.: 1 patents #10 of 25Top 40%
Overall (2025): #60,685 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12385219 Shovel Ryuji Shiratani, Hajime ARAGAKI 2025-08-12
12358564 Vehicle roof structure 2025-07-15
12304567 Vehicle skeleton structure Koichiro Ueno 2025-05-20