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 101–125 of 137 patents

Patent #TitleCo-InventorsDate
5676016 Electric actuator Akio Saitoh, Tadasu Kawamoto, Masahisa Hasegawa, Toru Sugiyama 1997-10-14
D380221 Electric actuator Shuuzou Sakurai 1997-06-24
5639553 Vacuum suction pads, and method for manufacturing same Shuuzou Sakurai, Tadasu Kawamoto 1997-06-17
5637940 Electric Actuator Tadasu Kawamoto, Masahiko Suzuki 1997-06-10
D379468 Electric actuator Shuuzou Sakurai 1997-05-27
5617898 Fluid pressure apparatus Akio Saitoh, Masahiko Suzuki 1997-04-08
5617338 Method of and system for electrically processing vacuum pressure information suitable for use in vacuum unit Shigeru Sugano, Takashi Takebayashi, Yoshiharu Ito, Mitsuhiro Saito, Hiroshi Matsushima +1 more 1997-04-01
5604386 Switch device and wiring structure therefor Shunichi Notoyama, Shigeru Sugano, Akio Saitoh 1997-02-18
5601415 Fluid pressure device Hiroshi Matsushima, Yoshiharu Ito, Akio Saitoh 1997-02-11
5590580 Loading positioning apparatus 1997-01-07
5582450 Suction pad, rotation-stop and guide mechanism for the same Shuuzou Sakurai, Masayoshi Yamamoto 1996-12-10
D375270 Coupling member for frames Koji Sugano 1996-11-05
5566718 Fluid pressure device Hiroshi Matsushima, Yoshiharu Ito, Akio Saitoh 1996-10-22
D373963 Coupling member for frames Koji Sugano 1996-09-24
D373960 Coupling member for frames Koji Sugano 1996-09-24
D373961 Coupling member for frames Koji Sugano 1996-09-24
D373962 Coupling member for frames Koji Sugano 1996-09-24
D373738 Frame for pressurized fluid-operating devices Koji Sugano 1996-09-17
5549340 Suction pad Shuuzou Sakurai, Ryuichi Masui 1996-08-27
D372959 Frame for pressurized fluid-operating devices Koji Sugano 1996-08-20
D370423 Frame for pressurized fluid-operating devices Koji Sugano 1996-06-04
D370424 Frame for pressurized fluid-operating devices Koji Sugano 1996-06-04
5499547 Actuator Akio Saitoh, Toru Sugiyama 1996-03-19
5484051 Balancer Tadasu Kawamoto, Teruo Inaba 1996-01-16
5481482 Pressure information processing system suitable for use in a vacuum unit Shigeru Sugano, Mitsuhiro Saito, Takashi Takebayashi, Hiroshi Matsushima, Yoshiharu Ito 1996-01-02