Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7094310 | Method for joining high-pressure composite pipes | Koji Yamaguchi, Mitsuhide Nogami, Masanori Nakamura, Katsuo Matsuzaka, Takehiro Yamada +4 more | 2006-08-22 |
| 6629547 | Composite high-pressure pipe and method of joining same | Koji Yamaguchi, Mitsuhide Nogami, Masanori Nakamura, Katsuo Matsuzaka, Takehiro Yamada +4 more | 2003-10-07 |
| 5918853 | Vacuum valve control device and vacuum valve | Tetsushi Ohtsuka | 1999-07-06 |
| 5615701 | Vacuum valve control device and vacuum valve | Tetsushi Ohtsuka | 1997-04-01 |
| 5327937 | Branched valve | Shigenobu Kato | 1994-07-12 |
| 4816099 | Method for the production of a composite pipe and an apparatus for the same | — | 1989-03-28 |
| 4666190 | Tube joint | Kiyoshi Miura | 1987-05-19 |