KH

Kenji Hiraku

HC Hitachi Construction Machinery Co.: 31 patents #23 of 1,234Top 2%
HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HH Hitachi High-Technologies: 6 patents #452 of 1,917Top 25%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
📍 Tsuchiura, JP: #5 of 519 inventorsTop 1%
Overall (All Time): #48,814 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDate
12104349 Construction machine Akira Nakayama, Teppei SAITOH 2024-10-01
12043983 Construction machine Seiji Hijikata, Yasutaka Tsuruga, Masatoshi Hoshino 2024-07-23
12018458 Construction machine Seiji Hijikata, Yasutaka Tsuruga, Masatoshi Hoshino 2024-06-25
12000118 Construction machine Juri Shimizu, Hiromasa Takahashi, Teppei SAITOH 2024-06-04
11970838 Construction machine Shohei Sugiki, Hiromasa Takahashi, Teppei SAITOH, Juri Shimizu 2024-04-30
11946224 Construction machine Seiji Hijikata, Yasutaka Tsuruga, Masatoshi Hoshino 2024-04-02
11859367 Construction machine Teppei SAITOH, Hiromasa Takahashi 2024-01-02
11499296 Construction machine Takamasa KAI, Juri Shimizu, Hiromasa Takahashi, Teppei Saitou 2022-11-15
11319693 Construction machine Hiromasa Takahashi, Teppei SAITOH, Syouhei Sugiki 2022-05-03
11214941 Construction machine Teppei SAITOH, Mitsuo Aihara 2022-01-04
11118328 Construction machine Juri Shimizu, Hiromasa Takahashi, Teppei Saitou, Shouhei Sugiki 2021-09-14
11111651 Construction machine Juri Shimizu, Hiromasa Takahashi, Teppei Saitou 2021-09-07
10947699 Construction machine Teppei SAITOH, Takamasa KAI, Hiromasa Takahashi, Juri Shimizu 2021-03-16
10914053 Work machine Takamasa KAI, Teppei Saitou, Juri Shimizu 2021-02-09
10907666 Hydraulic drive system Seiji Hijikata, Yasutaka Tsuruga, Kouji Ishikawa 2021-02-02
10900435 Drive unit of fuel injection device Ryo KUSAKABE, Motoyuki Abe, Hideharu Ehara, Tohru Ishikawa, Takuya Mayuzumi 2021-01-26
10889964 Drive system for construction machine Juri Shimizu, Hiromasa Takahashi, Shohei Sugiki 2021-01-12
10858805 Construction machine Hiromasa Takahashi, Shohei Sugiki, Juri Shimizu, Teppei SAITOH 2020-12-08
10829908 Construction machine Teppei SAITOH, Juri Shimizu, Hiromasa Takahashi 2020-11-10
10745887 Work machine Yuki Akiyama, Hiromasa Takahashi 2020-08-18
10677272 Construction machine Teppei SAITOH, Juri Shimizu, Hiromasa Takahashi, Shouhei Sugiki 2020-06-09
10655740 Work machine Juri Shimizu, Teppei SAITOH, Yuki Akiyama, Hiromasa Takahashi 2020-05-19
10415215 Drive system for construction machine Hiromasa Takahashi, Juri Shimizu, Shohei Sugiki 2019-09-17
10378185 Work machine Teppei SAITOH, Yuki Akiyama, Hiromasa Takahashi, Juri Shimizu 2019-08-13
10370824 Work machine Hiromasa Takahashi 2019-08-06