Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178837 | Electric actuator | Shigekazu Nagai | 2001-01-30 |
| 5904387 | Suction pad, rotation-stop and guide mechanism for the same | Shigekazu Nagai, Junko Ichinohe | 1999-05-18 |
| D399830 | Electric actuator | Shigekazu Nagai | 1998-10-20 |
| 5820800 | Vacuum suction pads, and method for manufacturing same | Shigekazu Nagai, Tadasu Kawamoto | 1998-10-13 |
| D399491 | Electric actuator | Shigekazu Nagai, Masayuki Nakamura | 1998-10-13 |
| 5809831 | Electric actuator | Shigekazu Nagai | 1998-09-22 |
| 5796187 | Electric actuator | Shigekazu Nagai, Masayuki Nakamura | 1998-08-18 |
| 5707093 | Suction pad, rotation--stop and guide mechanism for the same | Shigekazu Nagai, Junko Ichinohe, Masayoshi Yamamoto | 1998-01-13 |
| D380221 | Electric actuator | Shigekazu Nagai | 1997-06-24 |
| 5639553 | Vacuum suction pads, and method for manufacturing same | Shigekazu Nagai, Tadasu Kawamoto | 1997-06-17 |
| D379468 | Electric actuator | Shigekazu Nagai | 1997-05-27 |
| 5582450 | Suction pad, rotation-stop and guide mechanism for the same | Shigekazu Nagai, Masayoshi Yamamoto | 1996-12-10 |
| 5549340 | Suction pad | Shigekazu Nagai, Ryuichi Masui | 1996-08-27 |
| 5213385 | Detachable suction pad assembly | Shigekazu Nagai, Tadasu Kawamoto, Masahisa Hasegawa | 1993-05-25 |
| 5211435 | Apparatus for holding by suction and conveying | Shigekazu Nagai, Tadasu Kawamoto | 1993-05-18 |
| 5193776 | Mechanism for locking angular movement of suction pad | Shigekazu Nagai, Tadasu Kawamoto, Akio Saitoh | 1993-03-16 |
| 5193796 | Apparatus for holding by suction and conveying a suction pad constructed out of materials of differing hardnesses | Shigekazu Nagai, Tadasu Kawamoto | 1993-03-16 |
| 5192070 | Suction pad | Shigekazu Nagai, Tadasu Kawamoto | 1993-03-09 |
| 5190332 | Suction pad for attracting and holding a workpiece | Shigekazu Nagai, Tadasu Kawamoto | 1993-03-02 |
| 5172949 | Suction pad with temperature control mechanism | Shigekazu Nagai, Tadasu Kawamoto | 1992-12-22 |