Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711177 | Method for corrugating a metallic pipe | Masahiko Mitsubayashi, Noritaka Miyamoto, Shinobu Ishida, Shinji Kawasaki, Shoichiro Nitta | 1998-01-27 |
| 5615570 | Method for bending a pipe and apparatus for bending the same | Masahiko Mitsubayashi, Noritaka Miyamoto, Keisuke Kadota, Tohru Shimada, Katsuji Bando | 1997-04-01 |
| 4821551 | Method of manufacturing corrugate tube and molding apparatus thereof | Mineo Ogino | 1989-04-18 |