YA

Yasushi Arai

HC Hitachi Construction Machinery Co.: 13 patents #89 of 1,234Top 8%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
Overall (All Time): #257,659 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
8881506 Hydraulic drive device of hydraulic operating machine Tsuyoshi Nakamura, Kouji Ishikawa, Hidenobu Tsukada, Shohei Kamiya 2014-11-11
8708087 Construction machine Taku Kashu, Hideki Haramoto, Shohei Kamiya 2014-04-29
8672082 Construction machine Taku Kashu, Shohei Kamiya, Hideki Haramoto 2014-03-18
8646255 Exhaust gas purification system for engineering machine Hidenobu Tsukada, Kouji Ishikawa, Shohei Kamiya 2014-02-11
8534052 Exhaust gas treatment apparatus for working machine Kentaro Itoga 2013-09-17
8365518 Construction machine Masanori Ezawa, Shouhei Kamiya, Takashi Hirose 2013-02-05
8276370 Construction machine Shohei Kamiya, Kazunori Nakamura 2012-10-02
8266903 Engine lag down suppressing device of construction machinery Yoichi Kowatari, Kouji Ishikawa, Kazunori Nakamura, Nobuei Ariga, Hideo Karasawa +2 more 2012-09-18
8186156 Automotive construction machine Shohei Kamiya, Kazunori Nakamura 2012-05-29
8162618 Method and device for controlling pump torque for hydraulic construction machine Kazunori Nakamura, Yoichi Kowatari, Kouji Ishikawa 2012-04-24
8096382 Construction machine Shohei Kamiya, Kazunori Nakamura 2012-01-17
7255088 Engine control system for construction machine Kazunori Nakamura, Yoichi Kowatari, Kouji Ishikawa, Hideo Karasawa 2007-08-14
7020553 Signal processing system for construction machine Kazunori Nakamura, Toichi Hirata, Yoichi Kowatari, Gen Yasuda, Hiroshi Watanabe 2006-03-28
6216551 Transfer level for 4-wheel drive vehicle Michitaka Iwamoto 2001-04-17
5865934 Method of manufacturing printed wiring boards Yuichi Yamamoto, Yoshizumi Sato, Tomohisa Motomura, Hiroshi Hamano 1999-02-02
5822850 Circuit devices and fabrication Method of the same Hiroshi Odaira, Eiji IMAMURA, Yusuke Wada, Kenji Sasaoka, Takahiro Mori +2 more 1998-10-20
5736681 Printed wiring board having an interconnection penetrating an insulating layer Yuichi Yamamoto, Yoshizumi Sato, Tomohisa Motomura, Hiroshi Hamano 1998-04-07
5600103 Circuit devices and fabrication method of the same Hiroshi Odaira, Eiji IMAMURA, Yusuke Wada, Kenji Sasaoka, Takahiro Mori +2 more 1997-02-04