Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7213576 | High pressure fuel injection tube and method of forming the same | — | 2007-05-08 |
| 6935377 | High-pressure fuel injection pipe having connecting head | — | 2005-08-30 |
| 6840283 | High-pressure fuel injection pipe having connecting head portion | Shigeyuki Ishida, Nobuo Kato | 2005-01-11 |
| 6029714 | Stainless steel pipe of bright annealing finish type, having highly-smoothed inner surface and method for producing the same | Yoichi Imamura, Hajimu Choba | 2000-02-29 |
| 5699690 | Method and apparatus for manufacturing hollow steel bars | Shotaro Hamazaki, Norimasa Kameoka, Atsuhumi Okamoto | 1997-12-23 |
| 5584428 | Process for manufacturing clad pipe | Atsushi Satoh, Hiroshi Okamoto, Kunihiro Fukui, Jun-ichi Uchida, Kazuhiro Ogawa +2 more | 1996-12-17 |
| 5253678 | Long tube having a small diameter | — | 1993-10-19 |
| 5076084 | Method of manufacturing long tubes having small diameters | — | 1991-12-31 |
| 4796798 | Method of and apparatus for continuous production of seam-welded metal tubing | Toshio Tsuta, Koji Kadota, Shigetomo Matsui, Hiroyuki Matsumura, Hisao Hasegawa +3 more | 1989-01-10 |
| 4771931 | Continuous production of seam-welded metal tubing | Shigetomo Matsui, Hiroyuki Matsumura, Hisahiko Miyazaki | 1988-09-20 |