Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626345 | Threaded joint for pipes | Kunio Goto, Takayuki Kamimura, Masaru Takahashi, Keishi Matsumoto, Michihiko Iwamoto +1 more | 2020-04-21 |
| 9321982 | Threaded joint for pipes | Kunio Goto, Takayuki Kamimura, Masaru Takahashi, Keishi Matsumoto, Michihiko Iwamoto +1 more | 2016-04-26 |
| 8741406 | Oil well pipe with threaded joint | Kunio Goto | 2014-06-03 |
| 8586644 | Photocurable composition suitable for rust prevention of a threaded joint for steel pipes | Tomomitsu Nagareo, Yoshinori Kameda, Keishi Matsumoto, Takayuki Kamimura, Masaru Takahashi +1 more | 2013-11-19 |
| 8420581 | Threaded joint for pipes having a lubricating coating | Kunio Goto, Shigeki Fukumoto, Yasuhiro Yamamoto | 2013-04-16 |
| 8409718 | Threaded joint for steel pipes | Kunio Goto | 2013-04-02 |
| 8276946 | Threaded joint for steel tubes | Masanari Kimoto, Kunio Goto, Masaru Takahashi, Kunihiro Fukui, Shigeo Nagasaku +2 more | 2012-10-02 |
| 7883118 | Threaded joint for steel pipes | Kunio Goto | 2011-02-08 |
| 7866706 | Threaded joint for steel pipe | Kunio Goto, Yasuhiro Ogawa, Junichi Minami | 2011-01-11 |
| 7770935 | Threaded joint for steel pipes | Kunio Goto, Kaoru Takanashi, Yasuhiro Ogawa | 2010-08-10 |
| 7066209 | Thread protector | — | 2006-06-27 |