Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410497 | Electric-resistance-welded steel pipe or tube for hollow stabilizer | Kazutoshi Ishikawa, Ryoji Matsui, Tomonori Kondou | 2025-09-09 |
| 12264388 | Electric-resistance-welded steel pipe or tube for hollow stabilizer and method of manufacturing same | Ryoji Matsui, Tomonori Kondou | 2025-04-01 |
| 12172487 | Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing same | Ryoji Matsui, Tomonori Kondo, Shinsaku Kokubo | 2024-12-24 |
| 12037655 | Electric resistance welded steel pipe or tube | Ryoji Matsui, Tomonori Kondou | 2024-07-16 |
| 11440125 | Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same | Ryoji Matsui, Hiroshi Nakata, Tomonori Kondo, Hiromichi Hori | 2022-09-13 |
| 11332812 | Electric resistance welded steel tubes for high-strength thin hollow stabilizers, and methods for manufacturing the same | Shinsaku Kokubo, Hiromichi Hori, Yoshikazu Kawabata, Ryoji Matsui | 2022-05-17 |
| 10787720 | Electric resistance welded steel pipe for high-strength hollow stabilizer, and method for manufacturing electric resistance welded steel pipe for high-strength hollow stabilizer | Kenichi Iwazaki, Shinsaku Kokubo, Yuji Hashimoto | 2020-09-29 |
| 10301703 | High-strength welded steel pipe for airbag inflator and method for manufacturing the same | Yoshikazu Kawabata, Kenichi Iwazaki, Ryoji Matsui | 2019-05-28 |
| 7887649 | High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same | Shunsuke Toyoda, Yoshikazu Kawabata, Yuji Hashimoto, Koji Suzuki, Kei Sakata +3 more | 2011-02-15 |
| 7591914 | High-workability steel pipe and method of producing same | Takaaki Toyooka, Yoshikazu Kawabata, Akira Yorifuji, Masanori Nishimori, Motoaki Itadani +1 more | 2009-09-22 |
| 7018488 | Steel pipe for use in reinforcement of automobile and method for production thereof | Takaaki Toyooka, Masanori Nishimori, Yoshikazu Kawabata, Akira Yorifuji, Motoaki Itadani +1 more | 2006-03-28 |
| 6949728 | Impeder for manufacturing welded pipe | Takaaki Toyooka, Takatoshi Okabe, Motoaki Itadani, Osamu Kondo | 2005-09-27 |
| 6755919 | Stainless steel tube for automobile structure | Takaaki Toyooka, Akira Yorifuji, Makoto Kitazawa, Yoshikazu Kawabata, Motoaki Itadani +1 more | 2004-06-29 |
| 6749954 | Welded steel pipe having excellent hydroformability and method for making the same | Takaaki Toyooka, Yoshikazu Kawabata, Yuji Hashimoto, Akira Yorifuji, Takatoshi Okabe +2 more | 2004-06-15 |
| 6736910 | High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same | Takaaki Toyooka, Yoshikazu Kawabata, Akira Yorifuji, Masanori Nishimori, Motoaki Itadani +2 more | 2004-05-18 |
| 6723453 | Welded steel pipe having excellent hydroformability and method for making the same | Takaaki Toyooka, Yoshikazu Kawabata, Yuji Hashimoto, Akira Yorifuji, Takatoshi Okabe +2 more | 2004-04-20 |
| 6682829 | Welded steel pipe having excellent hydroformability and method for making the same | Takaaki Toyooka, Yoshikazu Kawabata, Yuji Hashimoto, Akira Yorifuji, Takatoshi Okabe +2 more | 2004-01-27 |
| 6221180 | Steel sheet for can and manufacturing method thereof | Akio Tosaka, Osamu Furukimi, Hideo Kuguminato, Makoto Aratani, Yuji Miki | 2001-04-24 |
| 6171416 | Method of producing can steel strip | Makoto Aratani, Yukio Kobata, Hideo Kuguminato, Akio Tosaka, Susumu Okada | 2001-01-09 |
| 6110299 | Steel sheet for double wound pipe and method of producing the pipe | Akio Tosaka, Kaneharu Okuda | 2000-08-29 |
| 6042952 | Extremely-thin steel sheets and method of producing the same | Makoto Aratani, Naotoshi Ryu, Hideo Kuguminato, Akio Tosaka, Kaneharu Okuda +1 more | 2000-03-28 |