Yachiyo Engineering Co., Ltd.
1Patents
0Active
1Granted
18Portfolio score
Filing activity: Oct 1, 1975 → Oct 1, 1975
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3986222A | Shock control device for use in the construction of buildings such as bridges and the like | Fixed Constructions | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.