ET

Ei Takahashi

HC Hitachi Construction Machinery Co.: 19 patents #54 of 1,234Top 5%
KC Kcm: 3 patents #15 of 84Top 20%
TC Tcm: 1 patents #18 of 59Top 35%
📍 Ibaraki, JP: #427 of 6,779 inventorsTop 7%
Overall (All Time): #236,122 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
D969173 Portion of a counterweight for construction machine Atsushi Ninomiya, Yusuke Daimon, Hidefumi Hiramatsu, Takeo Manabe 2022-11-08
D915470 Excavator Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Hiroyuki Kamata, Hidefumi Hiramatsu +1 more 2021-04-06
D857755 Seat for operator cab for construction machine Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Shigehisa Hagura, Takeo Manabe 2019-08-27
D856381 Console box for construction machine Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Takeo Manabe 2019-08-13
D856380 Console box for construction machine Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Takeo Manabe 2019-08-13
D856379 Air conditioning duct cover with monitor for construction machine Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Shigehisa Hagura, Takeo Manabe 2019-08-13
D854587 Cab for construction machine Atsushi Ninomiya, Yusuke Daimon, Katsumi Usami, Shigehisa Hagura, Takeo Manabe 2019-07-23
8899129 Steering device for construction machine Wataru Isaka, Kazunori Komatsu, Shigeru Kitagami, Yuichi Koshizaka 2014-12-02
8744702 Work vehicle control device Koji Hyodo, Masaki Yoshikawa, Katsutaka Hara 2014-06-03
D652433 Portion of console for construction machine Akitaka Takeuchi, Wataru Isaka, Kazunori Komatsu, Hiroki Nakazono, Hirofumi Oouchi 2012-01-17
D652061 Wheel loader Kazuhiko Hiraoka, Yoshihiro Ito, Kazunori Komatsu, Hiroki Nakazono, Takashi Takeyama +3 more 2012-01-10
D652063 Console for construction machine Akitaka Takeuchi, Wataru Isaka, Kazunori Komatsu, Hiroki Nakazono, Koji Hyodo +2 more 2012-01-10
D549738 Wheel loader Kazuhiko Hiraoka, Jujutsu Murota, Tsuyoshi Sakyo, Kazunori Komatsu, Hirofumi Ouchi 2007-08-28
6273632 Joint pin lock mechanism for pivotal pin joint Ryohei Suzuki, Toshio Hasegawa, Hiroshige Kurosaka 2001-08-14
6230090 Interference prevention system for two-piece boom type hydraulic excavator Kazuhiro Sunamura, Yusuke Kajita 2001-05-08
6164069 Hydraulic drive system for construction machine Genroku Sugiyama 2000-12-26
6020651 Engine control system for construction machine Kazunori Nakamura, Toichi Hirata 2000-02-01
5930996 Auto-acceleration system for prime mover of hydraulic construction machine and control system for prime mover and hydraulic pump Kazunori Nakamura, Tsukasa Toyooka, Kouji Ishikawa, Tsuyoshi Nakamura, Yoichi Kowatari +3 more 1999-08-03
5911506 Control system for prime mover and hydraulic pump of hydraulic construction machine Kazunori Nakamura, Tsukasa Toyooka, Kouji Ishikawa, Tsuyoshi Nakamura, Yoichi Kowatari +3 more 1999-06-15