Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446473 | Electric resistance welding operation management device, electric resistance welding operation management method, and computer program | Noboru Hasegawa, Toshisuke Fukami, Hideki Hamatani, Yoshifumi Karube, Takao Miura +2 more | 2016-09-20 |
| 9199291 | Operation management device, operation management method, and operation management program for high-frequency resistance welding and induction welding | Noboru Hasegawa, Hideki Hamatani, Takao Miura, Kunihiko Hatabara, Kazuto Yamamoto | 2015-12-01 |
| 9050681 | Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe | Hideki Hamatani, Shinji Kodama, Sunao Takeuchi, Tomohiro Nakaji, Takashi Miyakawa +3 more | 2015-06-09 |
| 7767314 | Weld joint formed with stainless steel-based weld metal for welding a zinc-based alloy coated steel sheet | Shinji Kodama, Hideki Hamatani, Kenichi Asai, Manabu Mizumoto | 2010-08-03 |
| 5650024 | Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same | Yasushi Hasegawa, Masahiro Ohgami, Hisashi Naoi, Toshio Fujita | 1997-07-22 |
| 5192016 | Methods for manufacturing tubes filled with powdery and granular substances | Nobuo Araki, Takeji Kagami, Yoji Chatani, Shunichi Kikuta, Iwao Yamada +6 more | 1993-03-09 |
| 4649256 | High-frequency electric resistance welding method using irradiation with a laser beam | Katsuhiro Minamida, Hideo Takafuji, Hiroya Haga | 1987-03-10 |