Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8720056 | Turbine rotor blade repair method | Masahiko Mega, Kei Osawa | 2014-05-13 |
| 7261758 | Ni-based sintered alloy | Ikuo Okada, Kei Ohsawa, Hidetaka Oguma, Koji Takahashi, Takeshi Seto | 2007-08-28 |
| 6884275 | Ni-based sintered alloy | Ikuo Okada, Kei Ohsawa, Hidetaka Oguma, Koji Takahashi, Takeshi Seto | 2005-04-26 |
| 6655253 | Envelope manufacturing method by braider | Hiroshi Uchida, Tadashi Uozumi | 2003-12-02 |
| 6305641 | Super-pressured high-altitude airship | — | 2001-10-23 |
| 5358200 | Airship | — | 1994-10-25 |