Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8875366 | Local buckling performance evaluating method for steel pipe, steel pipe designing method, steel pipe manufacturing method, and steel pipe | Katsumi Masamura | 2014-11-04 |
| 8191221 | Local buckling performance evaluating method for steel pipe, steel pipe designing method, steel pipe manufacturing method, and steel pipe | Katsumi Masamura | 2012-06-05 |
| 7513165 | Method for determining strain hardening property of line pipe | Katsumi Masamura | 2009-04-07 |
| 5110084 | Form device for cellular concrete and method of making such concrete | Mikio Hihara | 1992-05-05 |
| 5091014 | Strengthened cellular concrete compositions and method of making | Mikio Hihara | 1992-02-25 |
| 5087287 | Strengthened cellular concrete compositions and method of making | Mikio Hihara | 1992-02-11 |
| 5047085 | Method of making strengthened cellular concrete compositions containing alpha,beta-unsaturated dicarboxylic acid | Mikio Hihara | 1991-09-10 |
| 4966463 | Mixer unit for cellular concrete paste and method of making such paste | Mikio Hihara | 1990-10-30 |
| 4932786 | Bubble generator for cellular concrete | Mikio Hihara | 1990-06-12 |