RN

Ryu NARIKAWA

HC Hitachi Construction Machinery Co.: 17 patents #67 of 1,234Top 6%
Overall (All Time): #263,718 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12385220 Automated work system Hiroaki Sato, Akira Kanazawa, Shinjirou Yamamoto, Kouji Shiwaku 2025-08-12
12331483 Work machine control system Hidekazu Moriki, Shinya Imura, Shinjirou Yamamoto 2025-06-17
12264452 Work machine Kouji Fujita, Hideaki Itou, Hidefumi Ishimoto, Teppei SAITOH, Tadashi NISHIZAWA 2025-04-01
12065805 Work machine Teppei SAITOH, Kouji Fujita, Hideaki Itou, Hidefumi Ishimoto, Tadashi NISHIZAWA 2024-08-20
12012723 Work machine Hidekazu Moriki, Masaki Kanai, Kouji Shiwaku, Shinya Imura 2024-06-18
11970840 Work machine Hiroki Takeuchi, Shiho Izumi, Shuuichi MEGURIYA, Teruki IGARASHI 2024-04-30
11879233 Work machine Hiroshi Sakamoto, Hidekazu Moriki 2024-01-23
11668069 Construction machine Shinji Ishihara, Hiroshi Sakamoto, Hidekazu Moriki 2023-06-06
11649612 Work machine Hiroshi Sakamoto, Hidekazu Moriki, Shinji Ishihara 2023-05-16
11639593 Work machine Shuuichi MEGURIYA, Hiroki Takeuchi 2023-05-02
11391011 Hydraulic excavator Manabu Edamura, Kouji Ishikawa, Shiho Izumi 2022-07-19
11313107 Work machine Teruki IGARASHI, Shiho Izumi, Shuuichi MEGURIYA, Hiroki Takeuchi 2022-04-26
11230824 Work machine Hidekazu Moriki, Manabu Edamura, Shiho Izumi 2022-01-25
11168459 Work machine Manabu Edamura, Hiroshi Sakamoto, Shiho Izumi, Hidekazu Moriki 2021-11-09
10604914 Control system for hydraulic construction machine Hidekazu Moriki, Hiroaki Tanaka, Hiroshi Sakamoto, Yasutaka Tsuruga 2020-03-31
10450722 Control system for construction machine Hidekazu Moriki, Hiroshi Sakamoto, Yasutaka Tsuruga, Tadashi Osaka 2019-10-22
10435870 Construction machine Hidekazu Moriki, Yasutaka Tsuruga, Hiroshi Sakamoto, Shiho Izumi 2019-10-08