Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7136723 | Robot controller | Takahide Hirayama, Hiyoyuki Handa, Takeshi Okamoto | 2006-11-14 |
| 6872915 | High speed carbon dioxide gas welding method | Yasuhiro Koga, Haruki Nakashima, Hiroyuki Handa, Takahide Hirayama | 2005-03-29 |
| 6853878 | Robot controller | Takahide Hirayama, Hiyoyuki Handa, Takeshi Okamoto | 2005-02-08 |
| 6750428 | Automatic welding device and welding skill training device | Takeshi Okamoto, Hiroyuki Handa | 2004-06-15 |
| 6642483 | High-speed CO2 gas welding method | Yasuhiro Koga, Hiroyuki Handa, Haruki Nakashima, Takafumi Mitsushio | 2003-11-04 |
| 6627850 | Consumable electrode type arc welding method and device therefor | Yasuhiro Koga, Takahide Hirayama, Satoru Nio, Haruki Nakashima, Tsuneo Mita | 2003-09-30 |
| 6271500 | Arc welding monitoring device | Takahide Hirayama, Keiichi Takaoka, Noriyuki Ohsawa | 2001-08-07 |
| 6096994 | Automatic welding condition setting device | Hiroyuki Handa, Hajime Fujii, Takanori Mitsushio, Keiichi Takaoka, Noriyuki Ohsawa +4 more | 2000-08-01 |
| 5783921 | Welding robot with base stand having self contained welding power source | Hiroyuki Handa, Yukio Misumi, Michiharu Tanaka | 1998-07-21 |
| 5648027 | Porous carbonaceous material and a method for producing the same | Hiroyuki Tajiri, Yoshiteru Nakagawa, Yoshiaki Iwaya, Yoshiharu Tanaka, Keiichi Asami +1 more | 1997-07-15 |
| 5601739 | Method and apparatus for controlling arc welding robot | Takahide Hirayama, Ryuichi Morita | 1997-02-11 |
| 5359672 | Line detecting method using two rectangular windows passing through the line to be detected | Seigo Nishikawa, Tatsumi Nakazato, Kiyoshi Hirakawa | 1994-10-25 |
| 5173592 | Method and apparatus for multi-layer welding | Keiichi Takaoka, Tatsumi Nakazato | 1992-12-22 |
| 5066848 | Automatic copying method for a welding torch in an arc welding robot | Seigo Nishikawa, Tadayuki Amano, Kazutoshi Hata | 1991-11-19 |
| 5040125 | Positional information detecting method in arc welding | Hiroaki Ito, Seigo Nishikawa, Tatsumi Nakazato | 1991-08-13 |
| 5040124 | Positional information detecting method in arc welding | Hiroaki Ito, Seigo Nishikawa, Tatsumi Nakazato | 1991-08-13 |
| 5038292 | Positional information detecting method in arc welding | Hiroaki Ito, Seigo Nishikawa, Tatsumi Nakazato | 1991-08-06 |
| 4951218 | Positional information detecting method in arc welding | Hiroaki Ito, Seigo Nishikawa, Tatsumi Nakazato | 1990-08-21 |
| 4937426 | Automatic groove tracing method for an arc welding robot | Seigo Nishikawa, Tadayuki Amano, Kazutoshi Hata | 1990-06-26 |