Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |