Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883717 | Vibration-damping material | Shuji Kitamura, Takuzo Okumura, Yoshio Tadokoro, Hiroo Toya, Yoshiaki Togawa +5 more | 1989-11-28 |
| 4871194 | Oil well pipe joint and manufacturing method therefor | Hisakazu Kawashima, Yoshiyasu Morita, Tetsuzo Arai, Kunihiro Fukui | 1989-10-03 |
| 4630849 | Oil well pipe joint | Kunihiro Fukui, Toshiro Mase, Yoshiyasu Morita, Hisakazu Kawashima | 1986-12-23 |
| 4601794 | Method and apparatus for continuous electroplating of alloys | Tetsuaki Tsuda, Kazuo Asano, Atsuyoshi Shibuya, Kenichi Yanagi, Mitsuo Kato +2 more | 1986-07-22 |
| 4594292 | Metal-resin-metal sandwich laminates suitable for use in press forming | Hiroyuki Nagai, Toshiaki Shiota | 1986-06-10 |
| 4474651 | Oil well casing and tubing joint and production of same | Akihiro Yauchi, Kunihiro Fukui, Hisakazu Kawashima, Yoshiyasu Morita | 1984-10-02 |
| 4464232 | Production of one-side electroplated steel sheet | Shigeru Wakano, Akito Sakoda, Kunihiro Fukui | 1984-08-07 |