Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11703163 | Threaded connection for steel pipe | Yusuke Toyota, Yasuhiro Kochi | 2023-07-18 |
| 11248725 | Threaded connection | Satoshi Maruta | 2022-02-15 |
| 11149882 | Threaded connection | Satoshi Maruta | 2021-10-19 |
| 11067205 | Threaded connection for steel pipe | Yusuke Takeda, Yasuhiro Kochi, Satoshi Maruta, Yusuke Toyota | 2021-07-20 |
| 10626345 | Threaded joint for pipes | Kunio Goto, Takayuki Kamimura, Masaru Takahashi, Keishi Matsumoto, Ryuichi Imai +1 more | 2020-04-21 |
| 9605781 | Threaded connection comprising at least one threaded element with an end lip for a metal tube | Sylvain Beigneux, Daly Daly, Bertrand Maillon, Claire Patureau, Eric Verger +3 more | 2017-03-28 |
| 9568125 | Threaded joint for steel pipes | Suguru Yamaguchi, Keiichi Nakamura, Masaaki Sugino, Gabriel Briquet, Claire Patureau +3 more | 2017-02-14 |
| 9321982 | Threaded joint for pipes | Kunio Goto, Takayuki Kamimura, Masaru Takahashi, Keishi Matsumoto, Ryuichi Imai +1 more | 2016-04-26 |
| 7997627 | Threaded joint for steel pipes | Masaaki Sugino, Miyuki Yamamoto, Shigeo Nagasaku, Pierre Dutilleul, Gabriel Roussie +1 more | 2011-08-16 |
| 7823931 | Tubular threaded joint | Takahiro Hamamoto, Katsutoshi Sumitani, Masaaki Sugino, Miyuki Yamamoto, Jean-Francois Charvet-Quemin +2 more | 2010-11-02 |
| 7494159 | Threaded joint for steel pipes | Masaaki Sugino, Miyuki Yamamoto, Shigeo Nagasaku | 2009-02-24 |
| 6286223 | Apparatus and method of measuring outer diameter of worked portion at pipe end | — | 2001-09-11 |
| 5687999 | Threaded joint for tubes | Alain Lancry | 1997-11-18 |
| 5402688 | Method and apparatus for determining the tightened condition of a pipe joint | Yoshitora Okada, Shouji Yakugawa | 1995-04-04 |