Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9545658 | Piercing apparatus, plug used for piercing apparatus, and method for producing seamless steel pipe | Kazuhiro Shimoda, Kouji Yamane, Yuji Inoue, Syusuke Shimooka, Kouji Muramatsu | 2017-01-17 |
| 9486845 | Inner surface regulation tool, plug, mandrel, hot rolling mill, press piercing machine, and drawing machine | Kouji Yamane, Kazuhiro Shimoda, Yuji Inoue | 2016-11-08 |
| 9308561 | Method of producing seamless metal pipe | Kouji Yamane, Kazuhiro Shimoda | 2016-04-12 |
| 9283600 | Plug for hot pipe making | Kouji Yamane, Kazuhiro Shimoda, Yuji Inoue | 2016-03-15 |
| 9254511 | Method for producing seamless tube/pipe | Kenichi Saitou, Kazuhiro Shimoda | 2016-02-09 |
| 9221087 | Method of producing seamless metal pipe | Kouji Yamane, Kazuhiro Shimoda | 2015-12-29 |
| 9034125 | Method for manufacturing Ni base alloy pipe stock | Masaaki Igarashi, Kazuhiro Shimoda, Hisashi Amaya | 2015-05-19 |
| 8863564 | Lubricant composition for hot metal working and method of hot metal working using the same | Kazuhiro Shimoda, Kazutaka Asabe, Hirokazu Okada, Yasuyoshi Hidaka, Sumio Iida +3 more | 2014-10-21 |
| 8846152 | Antioxidant agent and process for producing metallic material | Kazuhiro Shimoda, Koji Muramatsu, Yuji Inoue, Junichi Nishimori, Yasuyoshi Hidaka +3 more | 2014-09-30 |
| 8815347 | Antioxidant agent and process for producing metallic material | Kazuhiro Shimoda, Keishi Matsumoto, Yasuyoshi Hidaka, Shuichi Akiyama, Takahisa Kato | 2014-08-26 |
| 8783085 | Method for straightening tube and straightening roll | Yoshiyuki Kuroiwa, Kouichi Kuroda | 2014-07-22 |
| 8784581 | Fe-Ni alloy pipe stock and method for manufacturing the same | Masaaki Igarashi, Kazuhiro Shimoda, Hisashi Amaya | 2014-07-22 |
| 8613817 | Method for producing duplex stainless steel seamless pipe | Naoya Hirase, Tetsuya Nakanishi, Kazuhiro Shimoda, Hirokazu Okada, Yasuyoshi Hidaka | 2013-12-24 |
| 8544306 | Plug, piercing-rolling mill, and method of producing seamless tube by using the same | Yasuto Higashida, Yasuyoshi Hidaka, Kazuhiro Shimoda | 2013-10-01 |
| 8490452 | Method for producing seamless tubes | Kouichi Harada | 2013-07-23 |
| 8333092 | Piercer, plug and method of manufacturing seamless pipe or tube | Kazuhiro Shimoda | 2012-12-18 |
| 8327676 | Upper-end formed glass complex for hot expanding piercing and method of manufacturing billet for hot extrusion pipe making | Junichi Nishimori, Keishi Matsumoto, Hiroaki Murakami | 2012-12-11 |
| 8245552 | Process for producing high-alloy seamless tube | Hiroaki Murakami, Tadashi Douhara, Masayuki Sagara | 2012-08-21 |
| 8104316 | Piercing mill | Naoya Hirase, Kazuhiro Shimoda | 2012-01-31 |
| 8037732 | Method of producing seamless metal tube and punch for use therein | Kazuhiro Shimoda, Koji Muramatsu, Yuji Inoue | 2011-10-18 |
| 8020421 | Pusher device for piercing and rolling and method of manufacturing seamless pipe or tube using the same | Kazuhiro Shimoda | 2011-09-20 |
| 7866199 | Method for manufacturing seamless steel pipe made of high Cr-high Ni alloy steel | Naoya Hirase, Kazuhiro Shimoda | 2011-01-11 |
| 7757528 | Method of manufacturing seamless pipe or tube | Kazuhiro Shimoda | 2010-07-20 |
| 7739892 | Method of manufacturing seamless pipes | Kazuhiro Shimoda | 2010-06-22 |
| 7654122 | Process for straightening a tube | Satoshi Tsuyuguchi, Kouichi Kuroda | 2010-02-02 |