HK

Hirokazu Koga

Caterpillar: 3 patents #2,162 of 8,398Top 30%
Overall (All Time): #1,337,064 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12345021 Grease feeding piping arrangement structure in construction machine Naoki Miyata, Kota Tatsumi, Toru Amaya, Kazufumi Nishimoto, Tetsuya Koshima +1 more 2025-07-01
11994158 Clearance adjusting member Tetsuya Koshima, Naoki Miyata, Toru Amaya, Kota Tatsumi, Kazufumi Nishimoto +1 more 2024-05-28
10563380 Working arm or a construction machine having angle detection Kunitomo Shimizu, Shuichi Takada, Kenji Yokohata, Yusuke Kimura 2020-02-18