Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5431802 | Cylinder tube and process for producing same | Tatsuo Otsuka, Masaaki Ooide, Masakazu Shimaguchi, Akira Sakayori | 1995-07-11 |
| 5400951 | Method of brazing a joint portion of an intake manifold with preplaced brazing | Michio Shiroyama, Takeshi Otsubo, Shoichi Sato, Seiji Tazaki, Tadashi Usui | 1995-03-28 |
| 5141820 | Aluminum pipe for use in forming bulged portions thereon and process for producing same | Hitoshi Akiyoshi, Seijiro Taguchi, Kazuo Sugiyama, Isao Watanabe | 1992-08-25 |
| 5127371 | Intake manifold | Seiichi Ogawa, Hitoshi Akiyoshi | 1992-07-07 |
| 5016578 | Intake manifold | Seiichi Ogawa, Hitoshi Akiyoshi | 1991-05-21 |
| 4960096 | Adapter for intake manifold | Hitoshi Akiyoshi, Seijiro Taguchi, Tadaaki Morita | 1990-10-02 |
| 4907735 | Process for producing a chassis for vehicles | Shunta Ushioda, Ichizo Tsukuda, Noboru Ohneda | 1990-03-13 |
| 4887557 | Process for producing an intake manifold | Katsumi Yamazaki, Naohisa Hirunuma, Seijiro Taguchi, Tadashi Usui, Yasushi Akiyoshi +2 more | 1989-12-19 |
| 4829944 | Intake manifold and process for producing same | Katsumi Yamazaki, Naohisa Hirunuma, Seijiro Taguchi, Tadashi Usui, Yasushi Akiyoshi +2 more | 1989-05-16 |
| 4809743 | Fuel pipe device for motor vehicles and process for producing same | Haruo Arima, Toshiyuki Yamada, Seijiro Taguchi | 1989-03-07 |
| 4805435 | Method for producing aluminum drums having highly smooth surface | Hiromune Chuma, Teruo Tachi | 1989-02-21 |
| 4735071 | Apparatus for continuously producing tube having helical grooves in its inner surface | Iwao Ueda | 1988-04-05 |