Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104085 | Oil-well metal pipe, and method for producing oil-well metal pipe | Tomoka ABE, Ken Tomiyasu, Mamoru OCHIAI | 2024-10-01 |
| 11879172 | Method for producing chemically treated alloy material, and chemical treatment solution regeneration apparatus used in method for producing chemically treated alloy material | Takamitsu Takagi, Makoto Miyajima, Sayuri Iwata, Akira Tsuto | 2024-01-23 |
| 10626345 | Threaded joint for pipes | Kunio Goto, Takayuki Kamimura, Masaru Takahashi, Michihiko Iwamoto, Ryuichi Imai +1 more | 2020-04-21 |
| 9725671 | Lubricant film-forming composition and screw joint for steel pipe | Kunio Goto, Masayoshi Sasaki | 2017-08-08 |
| 9321982 | Threaded joint for pipes | Kunio Goto, Takayuki Kamimura, Masaru Takahashi, Michihiko Iwamoto, Ryuichi Imai +1 more | 2016-04-26 |
| 9277600 | Stator coil heating apparatus and stator coil heating method | Hideaki Miyake, Hideaki Kimura, Satoshi Koide | 2016-03-01 |
| 9120136 | Drawing method of metallic tube and producing method of metallic tube using same | Masatoshi Toyoda | 2015-09-01 |
| 8846152 | Antioxidant agent and process for producing metallic material | Kazuhiro Shimoda, Tomio Yamakawa, Koji Muramatsu, Yuji Inoue, Junichi Nishimori +3 more | 2014-09-30 |
| 8815347 | Antioxidant agent and process for producing metallic material | Kazuhiro Shimoda, Yasuyoshi Hidaka, Tomio Yamakawa, Shuichi Akiyama, Takahisa Kato | 2014-08-26 |
| 8671727 | Methods for producing blank tube for cold drawing and for producing cold drawn tube | Masatoshi Toyoda | 2014-03-18 |
| 8586644 | Photocurable composition suitable for rust prevention of a threaded joint for steel pipes | Tomomitsu Nagareo, Yoshinori Kameda, Takayuki Kamimura, Masaru Takahashi, Kunio Goto +1 more | 2013-11-19 |
| 8557750 | Threaded joint for pipes | Takao KURANISHI, Kunio Goto | 2013-10-15 |
| 8411883 | Loudspeaker apparatus and speaker system | — | 2013-04-02 |
| 8327676 | Upper-end formed glass complex for hot expanding piercing and method of manufacturing billet for hot extrusion pipe making | Junichi Nishimori, Tomio Yamakawa, Hiroaki Murakami | 2012-12-11 |
| 7360798 | Threaded joint for steel pipes | Kunio Goto, Toshiro Anraku, Shigeo Nagasaku, Hideo Yamamoto | 2008-04-22 |
| 7272089 | Optical disc recording under adjustable conditions | — | 2007-09-18 |
| 7200080 | Optical disk recorder with reproduction quality control | — | 2007-04-03 |
| 7046599 | Optical disc recording method and optical disc recording apparatus for setting optimal recording power to record data | — | 2006-05-16 |
| 7046600 | Optical disc apparatus with laser power control matching linear recording velocity | — | 2006-05-16 |
| 6975572 | Optical disc apparatus with regulation of recording velocity and laser power | — | 2005-12-13 |
| 6659509 | Threaded joint for steel pipes | Kunio Goto, Kazuyuki Nakasuji, Toshiro Anraku, Shigeo Nagasaku | 2003-12-09 |