Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279864 | Radiation curable primer coating compositions | Masakazu Ohkita, Manasori Yoshiiwa, Koichi Yamada, Iwao Sumiyoshi, Ryoii Ishihara | 1994-01-18 |
| 5069929 | Actinic radiation-curable rust-preventive coating compositions for steel products | Yasushi Yamamoto, Mitsuyuki Raijo, Isao Fujita | 1991-12-03 |
| 4893658 | FRP pipe with threaded ends | Kunitoshi Kimura, Hiroshi Matsuoka, Toshiharu Nakagawa | 1990-01-16 |
| 4871194 | Oil well pipe joint and manufacturing method therefor | Hisakazu Kawashima, Yoshiyasu Morita, Minoru Nishihara, Kunihiro Fukui | 1989-10-03 |
| 4500577 | Metal pipe coated with thermoplastic synthetic resin | Jiro Satake, Kivokazu Tanaka, Eiji Mikami, Tsuneo Moriyasu, Tadasu Nakagawa | 1985-02-19 |