Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7575643 | Carburization treatment method | Jun Takahashi, Fumitaka Abukawa, Keiji Yokose, Hidetoshi Juryozawa | 2009-08-18 |
| 7276204 | Carburization treatment method and carburization treatment apparatus | Jun Takahashi, Fumitaka Abukawa, Keiji Yokose, Hidetoshi Juryozawa | 2007-10-02 |
| 7024916 | Vacuum heat treatment furnace and method of and apparatus for measuring carbon concentration in atmosphere having reduced pressure. | Hidetoshi Juryozawa, Keiji Yokose, Fumitaka Abukawa, Jun Takahashi | 2006-04-11 |
| 6709629 | Vacuum heat treatment furnace | Hidetoshi Juryozawa, Keiji Yokose, Fumitaka Abukawa, Jun Takahashi | 2004-03-23 |