GS

Genroku Sugiyama

HC Hitachi Construction Machinery Co.: 94 patents #3 of 1,234Top 1%
ZG Zexel Gmbh: 2 patents #110 of 348Top 35%
📍 Ryugasaki, JP: #1 of 114 inventorsTop 1%
Overall (All Time): #16,371 of 4,157,543Top 1%
94
Patents All Time

Issued Patents All Time

Showing 1–25 of 94 patents

Patent #TitleCo-InventorsDate
12371873 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +3 more 2025-07-29
12276087 Work machine Kento KUMAGAI, Shinya Imura, Katsuaki Kodaka, Yasutaka Tsuruga, Takaaki CHIBA 2025-04-15
11965315 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +3 more 2024-04-23
11739502 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +3 more 2023-08-29
11718977 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +2 more 2023-08-08
11454004 Work machine Kento KUMAGAI, Shinya Imura, Katsuaki Kodaka, Yasutaka Tsuruga 2022-09-27
11149410 Work machine with automatic and manual operating control Kento KUMAGAI, Shinya Imura, Katsuaki Kodaka, Yasutaka Tsuruga, Takaaki CHIBA 2021-10-19
8051649 Hydraulically driven industrial machine Mitsuhiro Yoshimoto 2011-11-08
7657841 Monitor display for construction machine Kazuhiro Shibamori, Keiichiro Nakamura, Tsuyoshi Sakyo, Kazunori Nakamura, Tadatoshi Shimamura 2010-02-02
7643938 Location confirmation method and location display system of construction machine and such construction machine Hiroyuki Adachi, Kazuhiro Shibamori, Hideki Komatsu, Koichi Shibata, Hiroshi Watanabe 2010-01-05
7512471 Control device for working vehicle Kazunori Nakamura, Tsuyoshi Nakamura, Kentaro Itoga 2009-03-31
7493978 Traveling hydraulic working machine Tsuyoshi Nakamura, Kazunori Nakamura, Toichi Hirata 2009-02-24
7493112 Construction machine management apparatus and construction machines management system Hiroyuki Adachi, Toichi Hirata, Hiroshi Onoue, Hideo Karasawa, Koichi Shibata +3 more 2009-02-17
7489049 Antitheft device Hideki Komatsu, Hiroyuki Adachi, Kazuhiro Shibamori, Koichi Shibata 2009-02-10
7434394 Hydraulic drive device Kouji Ishikawa, Yusuke Kajita, Kazunori Nakamura, Hideo Karasawa 2008-10-14
7370475 Traveling hydraulic working machine Tsuyoshi Nakamura, Kazunori Nakamura, Toichi Hirata, Kentaro Itoga 2008-05-13
7287188 Work machine maintenance system Koichi Shibata, Hiroshi Watanabe, Hiroyuki Adachi 2007-10-23
7272928 Hydraulic circuit of construction machinery Nobuei Ariga, Hideaki Tanaka, Tsukasa Toyooka, Masaki Egashira, Takatoshi Ooki 2007-09-25
7228125 Construction machine management apparatus and construction machines management system Hiroyuki Adachi, Toichi Hirata, Hiroshi Onoue, Hideo Karasawa, Koichi Shibata +3 more 2007-06-05
7222051 Working machine, failure diagnosis system for work machine and maintenance system for work machines Koichi Shibata, Hiroshi Watanabe, Hiroshi Ogura, Hiroyuki Adachi, Hideo Karasawa 2007-05-22
7171188 Communication system for working machines Hiroshi Watanabe, Koichi Shibata, Toichi Hirata, Hiroyuki Adachi, Hideki Komatsu +1 more 2007-01-30
7162347 System and method for managing construction machinery Kazuhiro Shibamori, Hiroyuki Adachi, Koichi Shibata, Hideki Komatsu 2007-01-09
7127887 Oil pressure circuit for working machines Tsuyoshi Nakamura, Tsukasa Toyooka, Kouji Ishikawa 2006-10-31
7079982 Working machine, trouble diagnosis system of working machine, and maintenance system of working machine Hiroshi Ogura, Hiroshi Watanabe, Hideo Karasawa, Yoshiyuki Umeno, Osamu Tomikawa +3 more 2006-07-18
7076947 Hydraulic circuit of construction machinery Nobuei Ariga, Hideaki Tanaka, Tsukasa Toyooka, Masaki Egashira, Takatoshi Ooki 2006-07-18