HK

Heizaburo Kato

SC Sankyo Manufacturing Co.: 51 patents #1 of 13Top 8%
SS Sankyo Seisakusho: 31 patents #1 of 30Top 4%
YM Yamazaki Mazak: 3 patents #50 of 272Top 20%
EI Eisai: 2 patents #451 of 998Top 50%
TD Techno Dynamics: 2 patents #2 of 5Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #17,537 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 1–25 of 91 patents

Patent #TitleCo-InventorsDate
12409524 Barrel cam device 2025-09-09
9488257 Cam device 2016-11-08
8308036 Sheet material feeding apparatus 2012-11-13
7946580 Sheet material feeding apparatus with guide members passing through roll grooves 2011-05-24
7793567 Clamping device and rotary table apparatus 2010-09-14
7748302 Workpiece exchanging apparatus and lathe unit 2010-07-06
7717018 Machining unit and machine tool Minoru Kitayama, Kazuya Horibe, Hidekazu Kojima, Masaharu Nakatsu 2010-05-18
7649287 Motor fastening mechanism and cam device Hideki Hotaka 2010-01-19
7603930 Rotary table apparatus Masaaki Hori, Katsuyuki Iida 2009-10-20
7491022 Inclining and rotating table apparatus Koki Torimaru, Toshihiko Yokoe 2009-02-17
7451869 Article carrying apparatus Toshinao Kato 2008-11-18
7395743 Lathe spindle unit and lathe apparatus 2008-07-08
7383942 Article carrying apparatus Toshinao Kato 2008-06-10
7237449 Drive mechanism and movable table unit provided with the same 2007-07-03
7229380 Power transmission device and plate-material feeding apparatus incorporating thereinto the same 2007-06-12
7219792 Article carrying apparatus Toshinao Kato 2007-05-22
7213316 Machine tool and detachable/attachable motor 2007-05-08
7188722 Article carrying apparatus Toshinao Kato 2007-03-13
7066318 Transporting apparatus 2006-06-27
7024740 Rotating table apparatus 2006-04-11
6990898 Mechanical pressing machine 2006-01-31
6955345 Inclining and rotating table apparatus 2005-10-18
6865968 Cam apparatus and pick and place apparatus utilizing the same 2005-03-15
6862786 Rotating table apparatus 2005-03-08
6786856 Cam-type automatic tool-exchanging apparatus having shutter driving mechanism Hideaki Hattori, Kiyoshi Nishida, Kazuya Horibe, Satoshi Okada 2004-09-07