Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773519 | High and low pressure integrated type turbine rotor | Akitsugu Fujita | 2004-08-10 |
| 6755920 | Low-alloy heat-resistant steel, heat treatment method therefor, and turbine rotor comprising the same | Akitsugu Fujita, Yoshiyuki Ooba, Yoshihiro Okamura, Makoto Yamaguchi | 2004-06-29 |
| 6569269 | Process for producing a high and low pressure integrated turbine rotor | Akitsugu Fujita | 2003-05-27 |
| 6254697 | Cast steel material for pressure vessels and method of making a pressure vessel by using same | Yasunori Tashiro, Masakatsu Ueno, Akitsugu Fujita | 2001-07-03 |
| 6095756 | High-CR precision casting materials and turbine blades | Akitsugu Fujita, Hiroshi Yokota, Mitsuyoshi Tsuchiya, Yoshinori Tanaka | 2000-08-01 |
| 5997806 | Heat-resisting cast steel | Akitsugu Fujita | 1999-12-07 |
| 5972287 | Heat-resisting steel | Akitsugu Fujita, Fujimitsu Masuyama | 1999-10-26 |
| 5911920 | Manufacturing method for Li composite oxides employed as electrode materials in Li batteries | Kazuhiro Hasezaki, Hikaru Motomura | 1999-06-15 |