SK

Seiichi Kihara

HC Hitachi Construction Machinery Tierra Co.: 6 patents #12 of 55Top 25%
HC Hitachi Construction Machinery Co.: 4 patents #303 of 1,234Top 25%
📍 Koka, JP: #29 of 142 inventorsTop 25%
Overall (All Time): #479,080 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12416135 Electrically driven hydraulic work machine Kiwamu Takahashi, Yuichi Ogawa, Takeshi Ishii 2025-09-16
12241224 Power-operated construction machine Yuta Furukawa, Kiwamu Takahashi 2025-03-04
12018456 Construction machine Yuichi Ogawa, Takeshi Ishii, Kiwamu Takahashi 2024-06-25
11993918 Electric construction machine Yuuta Furukawa, Hiroyuki Andou, Kiwamu Takahashi 2024-05-28
11668074 Electrically driven hydraulic construction machine Yuichi Ogawa, Takeshi Ishii, Kiwamu Takahashi 2023-06-06
11542680 Electric construction machine Kiwamu Takahashi, Takeshi Ishii 2023-01-03
D686642 Swing post for a construction machine Kohei Urase, Katsuhiro Sasaki, Makoto Motozu, Yuuki Umizaki 2013-07-23
D684598 Hydraulic excavator Shigehisa Hagura, Tomoyuki Miyata, Kazuhiko Hiraoka, Akira Saito, Teruo Irino +2 more 2013-06-18
D684603 Weight for a construction machine Shigehisa Hagura, Kazuhiko Hiraoka, Tomoyuki Miyata, Akira Saito, Makoto Motozu +1 more 2013-06-18
D684606 Cover for construction machine Shigehisa Hagura, Tomoyuki Miyata, Teruo Irino, Makoto Motozu 2013-06-18