Issued Patents All Time
Showing 25 most recent of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444612 | Adaptive PI control system | Ryo Nihei, Tetsuaki Kato | 1995-08-22 |
| 5341078 | Sliding mode control method for a machine having an operating section operatively coupled to a servomotor and wherein a switching variable is determined based on a torsion amount and a torsion speed | Ryo Nihei, Tetsukai Kato | 1994-08-23 |
| 5337148 | Apparatus for monitoring a guard window of an arc sensor | Ryo Nihei, Hiroshi Wakio | 1994-08-09 |
| 5331265 | Method of executing sliding-mode control including twist feedback | Ryo Nihei, Tetsuaki Kato | 1994-07-19 |
| 5325467 | Robot control method based on an acceleration/deceleration time constant | Ryo Nihei, Yasuo Naito, Tetsuaki Kato, Satoshi Kinoshita | 1994-06-28 |
| 5312220 | Industrial robot with workpiece handling means for attaching a workpiece to and removing a workpiece from a machine tool | Ryo Nihei | 1994-05-17 |
| 5296671 | Piping arrangement for a laser robot wrist | Akihiro Terada, Yasuo Sasaki | 1994-03-22 |
| 5292224 | Apparatus for holding stacked workpieces and feeding the same | Shigemi Inagaki, Ryo Nihei, Mitsuhiro Yasumura | 1994-03-08 |
| 5292066 | Sealant flow control method in sealing by an industrial robot | Tatsuo Karakama, Hitoshi Mizuno | 1994-03-08 |
| 5282390 | Industrial robot with means for cooling a linear motion nut and screw shaft | Akihiro Terada, Yasuo Sasaki | 1994-02-01 |
| 5267483 | High-density installation type robot | Kazuhisa Otsuka, Kunio Ueda | 1993-12-07 |
| 5251500 | Industrial robot with a compound drive mechanism | Ryo Nihei, Mitsuhiro Yasumura | 1993-10-12 |
| 5249479 | Wrist mechanism for an industrial robot | Hitoshi Mizuno, Kyozi Iwasaki | 1993-10-05 |
| 5233202 | Method of adjusting an optical path followed by a laser beam in a laser robot and an apparatus for carrying out the same | Akihiro Terada | 1993-08-03 |
| 5225648 | Industrial robot with cable arrangement system | Susumu Ito, Akihiro Terada, Toshihiko Inoue | 1993-07-06 |
| 5216342 | Sliding mode control method with a feedforward compensation function | Ryo Nihei, Tetsuaki Kato | 1993-06-01 |
| 5214531 | Operation control system for a scanning galvanometer | Hiroshi Wakio | 1993-05-25 |
| 5214362 | Method for detecting a collision and stopping drive of a machine driven by servomotors | Yasuo Naito, Masayuki Hamura, Kazuhisa Otsuka | 1993-05-25 |
| 5204598 | Method and apparatus for stopping an industrial robot | Susumu Ito, Masayuki Hamura, Tamotsu Sakai | 1993-04-20 |
| 5191272 | Method of adjusting gain for motor control | Ryo Nihei, Tetsuaki Kato | 1993-03-02 |
| 5187996 | Industrial articulated robot provided with a driving linkage | Yasuo Naito, Satoshi Kinoshita | 1993-02-23 |
| 5189351 | Corrective positioning method in a robot | Ryo Nihei, Mitsuhiro Yasumura | 1993-02-23 |
| 5185512 | Laser robot with heat eliminating means | Susumu Ito, Akihiro Terada, Yasuo Sasaki | 1993-02-09 |
| 5151608 | Optical distance sensor using a laser beam and processing means | Hiroshi Wakio | 1992-09-29 |
| 5140129 | Multi-articulated arm type industrial laser robot | Susumu Ito, Akihiro Terada | 1992-08-18 |