Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239736 | Method of welding three-dimensional structure and apparatus for use in such method | Ken Fujita, Tomoaki Kitagawa, Masahiko Mega, Yasushi Takeuchi | 2007-07-03 |
| 6984801 | Method of closing a hole in a gas turbine blade top by laser welding | Masahiko Mega, Koji Takahashi, Yoshitaka Uemura, Kengo Yamaguchi, Masaya Kanikawa +3 more | 2006-01-10 |
| 6919956 | Method of automatically repairing cracks and apparatus for use in such method | Tomoaki Kitagawa, Ken Fujita, Masahiko Mega, Yasushi Takeuchi | 2005-07-19 |