Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9260776 | Method of producing α crystal structure-based alumina films | Hiroshi Tamagaki, Yoshimitsu Ikari | 2016-02-16 |
| 8323807 | Process for producing alumina coating composed mainly of α-type crystal structure | Yoshimitsu Ikari, Hiroshi Tamagaki | 2012-12-04 |
| 8309236 | Protective alumina film and production method thereof | Hiroshi Tamagaki | 2012-11-13 |
| 8163140 | Reactive sputtering method and device | Yoshimitsu Ikari, Hiroshi Tamagaki | 2012-04-24 |
| 7967957 | Method for preparing alumna coating film having alpha-type crystal structure as primary structure | Hiroshi Tamagaki, Yoshimitsu Ikari | 2011-06-28 |
| 7955722 | Protective alumina film and production method thereof | Hiroshi Tamagaki | 2011-06-07 |
| 7776393 | Methods of producing an alumina film mainly in alpha crystal structure and the multilayer film thereof | Hiroshi Tamagaki, Toshiki Sato | 2010-08-17 |
| 7531212 | Process for producing an alumina coating comprised mainly of α crystal structure | Yoshimitsu Ikari, Hiroshi Tamagaki | 2009-05-12 |
| 7241492 | Multilayered film having excellent wear resistance, heat resistance and adhesion to substrate and method for producing the same | Hiroshi Tamagaki, Kenji Yamamoto | 2007-07-10 |
| 7169485 | Multilayer coating excellent in wear resistance and heat resistance | Hiroshi Tamagaki | 2007-01-30 |
| 6749730 | Sputter device | Koichiro Akari | 2004-06-15 |
| 6716540 | Multilayer film formed body | Koichiro Akari, Eiji Iwamura | 2004-04-06 |
| 6156170 | Magnetron sputtering apparatus | Koichiro Akari | 2000-12-05 |