SN

Shigekazu Nagai

SM Smc: 134 patents #2 of 737Top 1%
SA Showa Aluminum: 1 patents #122 of 253Top 50%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #7,519 of 4,157,543Top 1%
137
Patents All Time

Issued Patents All Time

Showing 26–50 of 137 patents

Patent #TitleCo-InventorsDate
7004522 Suction unit Ryuuichi Masui 2006-02-28
6988425 Actuator Akio Saitoh, Masaru Saitoh 2006-01-24
6983765 Method of producing fluid unit Hiroshi Matsushima 2006-01-10
6974907 Cable structure Toru Sugiyama, Masahiko Someya 2005-12-13
D511494 Motion converter Masahiko Someya, Ryuichi Masui, Masaki Miyahara 2005-11-15
6928922 Lubricating structure for hydraulic driving apparatus Akio Saitoh, Kotaro NAGAI 2005-08-16
D505658 Motion converter Masahiko Someya, Ryuichi Masui, Masaki Miyahara 2005-05-31
D505659 Motion converter Masahiko Someya, Ryuichi Masui, Masaki Miyahara 2005-05-31
6880417 Electric actuator Masaki Miyahara, Yoshiyuki Yamasaki 2005-04-19
6848327 Actuator Akio Saitoh, Masaru Saitoh 2005-02-01
6828782 Sensor attachment structure for attaching a flexible sensor by sticking to an actuator body Masaki Miyahara 2004-12-07
D490451 Vacuum ejector unit Yoshiharu Ito 2004-05-25
6672765 Direct drive bearing mechanism Akio Saitoh, Koji Sugano, Masaru Saitoh 2004-01-06
6668988 Buffering mechanism Akio Saitoh, Hiroshi Yumiba 2003-12-30
6655225 Motor-driven actuator Akio Saitoh, Masaki Miyahara 2003-12-02
6637314 Actuator Akio Saitoh, Masaki Miyahara 2003-10-28
6619846 Actuator Akio Saitoh, Masaru Saitoh 2003-09-16
6561749 Work sucking device Masayoshi Yamamoto 2003-05-13
D473784 Nut for a ball spline shaft Akio Saitoh, Masaru Saitoh 2003-04-29
6527323 Suction pad having a patterned attracting surface Masayoshi Yamamoto 2003-03-04
6471199 Electric clamp apparatus Akio Saitoh, Hiroshi Yumiba 2002-10-29
6457693 Suction pad Masayoshi Yamamoto, Yasuhisa Ueki 2002-10-01
6446520 Feed screw and method of manufacturing the same Hiroyuki Shiomi 2002-09-10
6435755 Joint mechanism for structural members Koji Sugano, Hiroyuki Shiomi, Takeshi Nagai 2002-08-20
6416295 Vacuum-generating unit Yoshiharu Ito, Takashi Toyama 2002-07-09