YT

Yasutaka Tsuruga

HC Hitachi Construction Machinery Co.: 55 patents #7 of 1,234Top 1%
HC Hitachi Construction Machinery Tierra Co.: 7 patents #9 of 55Top 20%
📍 Ryugasaki, JP: #3 of 114 inventorsTop 3%
Overall (All Time): #35,397 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDate
12371873 Work machine Kento KUMAGAI, Shinya Imura, Takaaki CHIBA, Hiroaki AMANO, Shinji Nishikawa +3 more 2025-07-29
12325978 Work machine Kento KUMAGAI, Shinya Imura, Takaaki CHIBA, Shinjirou Yamamoto, Hiroaki AMANO +2 more 2025-06-10
12320098 Work machine Seiji Hijikata, Masatoshi Hoshino, Shou Furukawa, Ryou Yagisawa 2025-06-03
12312770 Construction machine Seiji Hijikata, Masatoshi Hoshino, Ryou Yagisawa 2025-05-27
12297624 Work machine Kento KUMAGAI, Shinya Imura, Takaaki CHIBA, Shinjirou Yamamoto, Hiroaki AMANO +2 more 2025-05-13
12276087 Work machine Kento KUMAGAI, Shinya Imura, Genroku Sugiyama, Katsuaki Kodaka, Takaaki CHIBA 2025-04-15
12173475 Work machine Masatoshi Hoshino, Seiji Hijikata 2024-12-24
12054918 Construction machine Seiji Hijikata, Masatoshi Hoshino, Ryou Yagisawa 2024-08-06
12049744 Work machine Seiji Hijikata, Masatoshi Hoshino, Ryou Yagisawa 2024-07-30
12043983 Construction machine Seiji Hijikata, Kenji Hiraku, Masatoshi Hoshino 2024-07-23
12018458 Construction machine Seiji Hijikata, Kenji Hiraku, Masatoshi Hoshino 2024-06-25
12000416 Work machine Kento KUMAGAI, Shinya Imura, Takaaki CHIBA, Hiroaki AMANO, Shinji Nishikawa +1 more 2024-06-04
11965315 Work machine Kento KUMAGAI, Shinya Imura, Takaaki CHIBA, Hiroaki AMANO, Shinji Nishikawa +3 more 2024-04-23
11946492 Work machine Masatoshi Hoshino, Seiji Hijikata 2024-04-02
11946226 Work machine Masatoshi Hoshino, Seiji Hijikata, Ryou Yagisawa, Shou Furukawa 2024-04-02
11946224 Construction machine Seiji Hijikata, Kenji Hiraku, Masatoshi Hoshino 2024-04-02
11739502 Work machine Kento KUMAGAI, Shinya Imura, Takaaki CHIBA, Hiroaki AMANO, Shinji Nishikawa +3 more 2023-08-29
11718977 Work machine Kento KUMAGAI, Shinya Imura, Takaaki CHIBA, Hiroaki AMANO, Shinji Nishikawa +2 more 2023-08-08
11554760 Brake system Takaaki Tanaka, Takanobu Ikari, Takayuki Sato, Takashi Sasaki 2023-01-17
11454004 Work machine Kento KUMAGAI, Shinya Imura, Genroku Sugiyama, Katsuaki Kodaka 2022-09-27
11391020 Work machine Hiroki Ishii, Shinjiro YAMAMOTO, Masamichi Itou, Shinya Imura 2022-07-19
11377822 Hydraulic drive apparatus Kiwamu Takahashi, Kouji Ishikawa, Masatoshi Hoshino, Seiji Hijikata 2022-07-05
11230821 Construction machine Akira Kanazawa, Hidekazu Moriki, Shinya Imura, Takaaki CHIBA 2022-01-25
11193254 Construction machine Hidekazu Moriki, Akira Kanazawa, Takaaki CHIBA, Shinya Imura 2021-12-07
11149410 Work machine with automatic and manual operating control Kento KUMAGAI, Shinya Imura, Genroku Sugiyama, Katsuaki Kodaka, Takaaki CHIBA 2021-10-19