Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372312 | Thermal cracking tube with fluid agitating element | Motoyuki Matsubara, Toru Sukawa | 2025-07-29 |
| 11859291 | Protective surface on stainless steel | Vasily Simanzhenkov, Hany Farag, Leslie Wilfred Benum, Billy Santos, Kathleen Donnelly +2 more | 2024-01-02 |
| 11674212 | Cast product having alumina barrier layer | Shinichi Uramaru | 2023-06-13 |
| 11612967 | Alloy for overlay welding and reaction tube | Motoyuki Matsubara, Hiroshi Yamaguchi, Masayuki Tomita | 2023-03-28 |
| 11427763 | Pyrolysis tube for manufacturing olefin and method for manufacturing dehydrogenating catalyst | Kenji Otsubo, Hiroshi Yamaguchi, Yasushi Sekine | 2022-08-30 |
| 11162151 | Tube body that is to be used in high-temperature atmosphere and method for forming metal oxide layer on inner surface of tube body | Motoyuki Matsubara, Hiroshi Yamaguchi, Masayuki Tomita | 2021-11-02 |
| 11136655 | Heat-resistant alloy, and reaction tube | Yohei ENJO | 2021-10-05 |
| 11072847 | Cast product having alumina barrier layer | Youhei Enjo, Makoto Hineno, Shinichi Uramaru | 2021-07-27 |
| 11059134 | Alloy for overlay welding and reaction tube | Motoyuki Matsubara, Hiroshi Yamaguchi, Masayuki Tomita | 2021-07-13 |
| 11035031 | Protective surface on stainless steel | Vasily Simanzhenkov, Hany Farag, Leslie Wilfred Benum, Billy Santos, Kathleen Donnelly +2 more | 2021-06-15 |
| 8231837 | Thermal cracking tube | — | 2012-07-31 |
| 7959854 | Heat resistant alloy adapted to precipitate fine Ti-Nb-Cr carbide or Ti-Nb-Zr-Cr carbide | Makoto Takahashi, Makoto Hineno | 2011-06-14 |
| 7442265 | Heat-resistant cast steel excellent in aged ductility and creep rupture strength for hydrogen producing reaction tubes | Makoto Takahashi | 2008-10-28 |