TK

Toshikazu KOGA

Caterpillar: 2 patents #65 of 636Top 15%
Overall (2025): #79,840 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12429071 Pilot pressure control device Hideki Nakajima 2025-09-30
12345019 Hydraulic control system in working machines Hideki Nakajima, Koichi KIYASU 2025-07-01