HK

Hisanobu Kanamaru

HI Hitachi: 59 patents #175 of 28,497Top 1%
AE Aida Engineering: 15 patents #5 of 163Top 4%
HC Hitachi Automotive Engineering Co.: 6 patents #9 of 314Top 3%
HC Hitachi Powdered Metals Co.: 3 patents #44 of 246Top 20%
ML M.H. Center Limited: 2 patents #2 of 10Top 20%
YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
📍 Hitachinaka, JP: #19 of 2,447 inventorsTop 1%
Overall (All Time): #24,564 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 1–25 of 77 patents

Patent #TitleCo-InventorsDate
7310988 Drive device for a mechanical press Takao Ito 2007-12-25
7284405 Pressure controlled fluid pressure extrusion method Kazuto Kobayashi 2007-10-23
7013800 Mechanical press Takao Ito 2006-03-21
6951124 Method for making elements of a continuously variable transmission belt Nobuyuki Ishinaga, Shingo Fujikawa 2005-10-04
6871587 Machine press Ito Takao, Hiromichi Fujimori 2005-03-29
6764218 Slide guide device for presses Takao Ito, Hiromichi Fujimori 2004-07-20
6688153 Toothed part with a shaft and molding method for the same Nobuyuki Ishinaga, Toshio Suzuki 2004-02-10
6662715 Slider link press Ito Takao, Hiromichi Fujimori 2003-12-16
6524092 Slide guide device, knockout device, and press machine using the same Takao Ito 2003-02-25
6478566 Slide guide device, knockout device, and press machine using the same Takao Ito 2002-11-12
6422831 Variable displacement piston pump/motor Takao Ito 2002-07-23
6409479 Variable displacement piston pump/motor Takao Ito 2002-06-25
6406374 Outer ring of a constant velocity universal joint and manufacturing method for the same Nobuyuki Ishinaga, Kazuto Kobayashi, Akira Matsumura 2002-06-18
6369980 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Yuuichi Yanagase +4 more 2002-04-09
6369981 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Yuuichi Yanagase +4 more 2002-04-09
6250121 Method for molding metal using high fluid pressure Kazuto Kobayashi, Akira Matsumura 2001-06-26
6243230 Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit Katsutoshi Nii, Kenji Tomida, Hiroshi Nishida, Kouki Uefune, Yuuichi Yanagase +4 more 2001-06-05
6189199 Method of manufacturing a hose coupling from an intermediate blank material Koji Ouchi, Tokuju Maeno, Yoshihiro Namekawa, Hideki Hagiwara, Katsuhiro Aoyagi +3 more 2001-02-20
6012906 Uniform speed joint and axial piston pump using the joint 2000-01-11
5861577 Seal structure for member-passing-through hole bored in metal partition member Morio Tamura, Ken Ichiryu, Kiyoshi Tanaka, Kouji Harada, Nobuyuki Tobita 1999-01-19
5791996 Uniform speed joint and axial piston pump using the joint 1998-08-11
5746085 Gear forming method Koji Harada 1998-05-05
5634852 Uniform speed joint and axial piston pump using the joint 1997-06-03
5584202 Method and apparatus for manufacturing internal gear, internal gear structure and reduction mechanism unit having internal gear structure Yasuo Kohashi 1996-12-17
5562560 Speed reducing apparatus having wobbling rotation plate Kouji Harada, Masaharu Okazaki 1996-10-08