HH

Hikosaburo Hiraki

KO Komatsu: 20 patents #31 of 2,087Top 2%
KS Komatsu Shisakusho: 3 patents #142 of 885Top 20%
FC Fukoku Co.: 1 patents #31 of 76Top 45%
📍 Tochigi, JP: #158 of 2,789 inventorsTop 6%
Overall (All Time): #185,785 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8277353 Transmission system Takehiro Komatsu 2012-10-02
8241162 Transmission system Takehiro Komatsu 2012-08-14
8157687 Transmission system Takehiro Komatsu 2012-04-17
8142319 Transmission system Takehiro Komatsu 2012-03-27
8137228 Transmission system Takehiro Komatsu 2012-03-20
7971434 Device and method for continuously variable transmission of traveling vehicle Naoki Ishizaki, Koichiro Itou 2011-07-05
7972236 Transmission system Takehiro Komatsu 2011-07-05
7717816 Transmission Takehiro Komatsu 2010-05-18
7448976 Speed-changing device Takashi Kuse, Toshikazu Okada, Shigeru Yamamoto, Naoki Ishizaki 2008-11-11
7416503 Speed-changing device Takashi Kuse, Toshikazu Okada, Shigeru Yamamoto, Naoki Ishizaki 2008-08-26
6962050 Hybrid machine with hydraulic drive device Koichiro Itow, Hiroaki Inoueo 2005-11-08
6912849 Cylinder driving system and energy regenerating method thereof Hiroaki Inoue, Noboru Kanayama, Koichiro Itow, Hideaki Saito 2005-07-05
6601664 Crawler device for a crawler type vehicle Haruhiro Tsubota, Kazutoshi Hori 2003-08-05
6334496 Crawler device for a crawler type vehicle Haruhiro Tsubota, Kazutoshi Hori 2002-01-01
6283562 Triangular crawler apparatus Haruhiro Tsubota, Kazutoshi Hori 2001-09-04
6182448 Speed changing device for hydraulic driving apparatus and speed change control method thereof Yasunori Ohkura, Noboru Kanayama, Ryutaro Makida 2001-02-06
6058029 Power unit for generating discharge shock waves Koichiro Itow, Ryuichi Shimada 2000-05-02
5988610 Liquid sealed suspension unit Kuniaki Nakada, Mituo Kuzukawa, Tatuo Tanaka 1999-11-23
5957235 Traveling drive apparatus in a working vehicle Satoru Nishimura, Hiroyuki Inoue 1999-09-28
5784883 Method of controlling speed change of hydraulic drive device for vehicle and speed change device Yasunori Ohkura, Noboru Kanayama, Ryutaro Makida 1998-07-28
5423655 Working machine for hydraulic excavator Noboru Kanayama, Masayuki Moriyama 1995-06-13
4919093 Internal combustion engine Toshibumi Murakami, Akira Kusakabe 1990-04-24
4917063 Method for setting the vehicle-engine torque 1990-04-17