Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915901 | Reinforcing steel having resistance to salt and capable of preventing deterioration of concrete | Haruo Shimada, Takashi Waseda | 1990-04-10 |
| 4861548 | Seawater-corrosion-resistant non-magnetic steel materials | Haruo Shimada | 1989-08-29 |
| 4844865 | Seawater-corrosion-resistant non-magnetic steel materials | Haruo Shimada | 1989-07-04 |
| 4836981 | Concrete reinforcing steel bar or wire | Haruo Shimada | 1989-06-06 |
| 4339685 | Sealed beam lamp assembly | Norio Saguchi, Hideki Ishii, Masakazu Nagasawa, Osami Saitoh, Yukio Wakimizu +1 more | 1982-07-13 |