Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12064798 | Method for producing seamless metal tube | Kouji Yamane, Koichi Kuroda, Yuji Inoue, Shusuke Shimooka, Kazuyuki Murakami +1 more | 2024-08-20 |
| 11515152 | Method of manufacturing semiconductor device, substrate processing apparatus, and method of processing substrate | Shintaro Kogura, Kazuhiro Harada, Shogo Otani, Koichi Honda, Mamoru Umemoto +3 more | 2022-11-29 |
| 11471923 | Production method of seamless steel pipe | Kouji Yamane, Yuji Arai, Akihiro Sakamoto, Yasuhiko Daimon, Haruka Obe | 2022-10-18 |
| 11305320 | Method for producing seamless metal pipe | Kouji Yamane, Yuji Inoue, Shusuke Shimooka, Yuichi Yamanari | 2022-04-19 |
| 9764366 | Method for regenerating a plug for use in a piercing machine | Yasuto Higashida, Yasuyoshi Hidaka, Yosuke Tatebayashi | 2017-09-19 |
| 9545658 | Piercing apparatus, plug used for piercing apparatus, and method for producing seamless steel pipe | Tomio Yamakawa, 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, Tomio Yamakawa, Yuji Inoue | 2016-11-08 |
| 9333544 | Plug used in piercing machine | Yasuyoshi Hidaka, Yasuto Higashida | 2016-05-10 |
| 9308561 | Method of producing seamless metal pipe | Kouji Yamane, Tomio Yamakawa | 2016-04-12 |
| 9283600 | Plug for hot pipe making | Kouji Yamane, Tomio Yamakawa, Yuji Inoue | 2016-03-15 |
| 9254511 | Method for producing seamless tube/pipe | Kenichi Saitou, Tomio Yamakawa | 2016-02-09 |
| 9221087 | Method of producing seamless metal pipe | Kouji Yamane, Tomio Yamakawa | 2015-12-29 |
| 9034125 | Method for manufacturing Ni base alloy pipe stock | Masaaki Igarashi, Tomio Yamakawa, Hisashi Amaya | 2015-05-19 |
| 8999900 | Two-component anti-seizure agent for hot metal working process, and method of manufacturing seamless pipe using thereof | Sumio Iida, Masami Imamura, Yuuji Tanaka, Hirofumi Hori, Akira Motoki +1 more | 2015-04-07 |
| 8863564 | Lubricant composition for hot metal working and method of hot metal working using the same | Tomio Yamakawa, Kazutaka Asabe, Hirokazu Okada, Yasuyoshi Hidaka, Sumio Iida +3 more | 2014-10-21 |
| 8846152 | Antioxidant agent and process for producing metallic material | Tomio Yamakawa, Koji Muramatsu, Yuji Inoue, Junichi Nishimori, Yasuyoshi Hidaka +3 more | 2014-09-30 |
| 8815347 | Antioxidant agent and process for producing metallic material | Keishi Matsumoto, Yasuyoshi Hidaka, Tomio Yamakawa, Shuichi Akiyama, Takahisa Kato | 2014-08-26 |
| 8784581 | Fe-Ni alloy pipe stock and method for manufacturing the same | Masaaki Igarashi, Tomio Yamakawa, Hisashi Amaya | 2014-07-22 |
| 8613817 | Method for producing duplex stainless steel seamless pipe | Naoya Hirase, Tetsuya Nakanishi, Hirokazu Okada, Tomio Yamakawa, Yasuyoshi Hidaka | 2013-12-24 |
| 8544306 | Plug, piercing-rolling mill, and method of producing seamless tube by using the same | Yasuto Higashida, Yasuyoshi Hidaka, Tomio Yamakawa | 2013-10-01 |
| 8333092 | Piercer, plug and method of manufacturing seamless pipe or tube | Tomio Yamakawa | 2012-12-18 |
| 8104316 | Piercing mill | Naoya Hirase, Tomio Yamakawa | 2012-01-31 |
| 8082768 | Piercing and rolling plug, method of regenerating such piercing and rolling plug, and equipment line for regenerating such piercing and rolling plug | Yasuyoshi Hidaka, Kouji Nakaike, Naoya Hirase, Yasuto Higashida, Takateru Inage +5 more | 2011-12-27 |
| 8037732 | Method of producing seamless metal tube and punch for use therein | Tomio Yamakawa, 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 | Tomio Yamakawa | 2011-09-20 |