MD

Masamitsu Date

Kubota: 4 patents #505 of 2,059Top 25%
Overall (All Time): #1,080,890 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12366049 Swivel working machine Kiyoshi Matsui, Junki ITO 2025-07-22
12286766 Swiveling work machine Teruo Kunizawa, Kiyoshi Matsui, Junki ITO, Haruhito Ikeda, Alessandro Cecchini +1 more 2025-04-29
D949211 Backhoe loader Haruhito Ikeda, Kiyoshi Matsui, Teruo Kunizawa, Junki ITO, Alessandro Cecchini +1 more 2022-04-19
8820466 Working machine Yuji Fujita 2014-09-02