AN

Akihiro Narazaki

HC Hitachi Construction Machinery Co.: 8 patents #2 of 148Top 2%
📍 Tsukuba, JP: #1 of 217 inventorsTop 1%
Overall (2025): #10,333 of 469,880Top 3%
8
Patents 2025

Issued Patents 2025

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12428812 Work machine Shinji Nishikawa, Hiroaki Tanaka, Masatoshi Morikawa 2025-09-30
12416131 Work machine Yusuke Suzuki, Hiroaki Tanaka, Yasuhiko Kanari, Hiroshi Sakamoto, Teruki IGARASHI 2025-09-16
12371873 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +3 more 2025-07-29
12325978 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Shinjirou Yamamoto +2 more 2025-06-10
12297624 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Shinjirou Yamamoto +2 more 2025-05-13
12286768 Work machine Hiroaki Tanaka, Yusuke Suzuki, Yasuhiko Kanari, Hiroshi Sakamoto 2025-04-29
12227920 Construction machine Ryota KAMEOKA, Shinji Nishikawa 2025-02-18
12221763 Hydraulic excavator Teruki IGARASHI, Masamichi Itou 2025-02-11