Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428647 | Tubular body inner surface inspection apparatus and tubular body inner surface inspection method | Toshio Akagi, Hironao YAMAJI, Takeo Nakata | 2022-08-30 |
| 10416123 | Flaw detection sensitivity adjustment method and abnormality diagnosis method for ultrasonic probe | Yoshiyuki Nakao, Shigetoshi Hyodo, Masaki Tanaka, Tsukasa Suda | 2019-09-17 |
| 9442096 | Ultrasonic testing apparatus for pipe or tube end portion and method of setting initial position of probe holder | Kenji Fujiwara, Hiroshi Kubota, Tomoyuki Obata | 2016-09-13 |
| 9335301 | Ultrasonic testing method and equipment therefor | Hiroshi Shikada, Kenji Fujiwara | 2016-05-10 |
| 8776604 | Ultrasonic probe, ultrasonic testing equipment, and ultrasonic testing method | — | 2014-07-15 |
| 8667847 | Ultrasonic testing apparatus for pipe or tube end portion | Kenji Fujiwara, Hiroshi Kubota, Tomoyuki Obata | 2014-03-11 |
| 8544329 | Ultrasonic testing method and equipment therefor | Hiroshi Shikada, Kenji Fujiwara | 2013-10-01 |
| 8495915 | Ultrasonic testing method and manufacturing method of seamless pipe or tube | — | 2013-07-30 |
| 8490490 | Ultrasonic probe, ultrasonic testing equipment, ultrasonic testing method, and manufacturing method of seamless pipe or tube | — | 2013-07-23 |
| 8438926 | Method of evaluating fastening state of threaded joint of pipes or tubes, method for fastening threaded joint of pipes or tubes, and apparatus for evaluating fastening state of threaded joint of pipes or tubes | Ikuji Hoshino, Makoto Sakamoto, Keiichi Nakamura, Jun Masubuchi, Kenta Sakai | 2013-05-14 |
| 8413513 | Ultrasonic testing method and equipment therefor | Yoshio Ueda, Masami Ikeda | 2013-04-09 |
| 8393218 | Ultrasonic testing method and apparatus | Masami Ikeda, Kenji Fujiwara, Hiroshi Kubota | 2013-03-12 |
| 8387462 | Method and apparatus for ultrasonic testing of weld zones | Hiroyuki Okubo, Takumi Horikiri | 2013-03-05 |
| 8113055 | Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method | Ikuji Hoshino, Shigeo Nagasaku | 2012-02-14 |
| 8091425 | Ultrasonic testing method of threaded joint of pipes or tubes | Ikuji Hoshino, Shigeo Nagasaku | 2012-01-10 |
| 7874212 | Ultrasonic probe, ultrasonic flaw detection method, and ultrasonic flaw detection apparatus | — | 2011-01-25 |