Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981298 | Method of producing polygonal closed cross-section structural component with a curved form and polygonal closed cross-section structural component produced by the method | Yasuhiro Kishigami, Yuji Yamasaki | 2018-05-29 |
| 9914163 | Method of sheet forming | Tsuyoshi Shiozaki, Yoshikiyo Tamai, Shunsuke Tobita | 2018-03-13 |
| 9862017 | Method and apparatus that forms a closed cross-sectional structure | Kazuhiko Higai, Yuji Yamasaki | 2018-01-09 |
| 9669444 | Method of manufacturing curvilineal closed structure parts without flange and apparatus for the same | Kazuhiko Higai, Yuji Yamasaki | 2017-06-06 |
| 9630238 | Method and apparatus that forms a closed cross-sectional structure | Kazuhiko Higai, Yuji Yamasaki | 2017-04-25 |
| 9333549 | Press-forming mold designing method and press-forming mold | Yusuke FUJII, Yuji Yamasaki, Kazuhiko Higai | 2016-05-10 |
| 9327327 | Method of manufacturing pipe with different diameter along a longitudinal direction and die for forming | Kazuhiko Higai, Yuji Yamasaki, Katsuhiro Ochi | 2016-05-03 |
| 8147626 | Method for manufacturing high strength steel plate | Nobuyuki Ishikawa, Minoru Suwa, Shigeru Endo | 2012-04-03 |
| 7959745 | High-strength steel pipe of API X65 grade or higher | Nobuyuki Ishikawa, Shigeru Endo, Minoru Suwa | 2011-06-14 |
| 7935197 | High strength steel plate | Nobuyuki Ishikawa, Minoru Suwa, Shigeru Endo | 2011-05-03 |
| 7520943 | Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness | Nobuyuki Ishikawa, Shigeru Endo, Ryuji Muraoka | 2009-04-21 |