Tokyo Keiko Co., Ltd.
1Patents
0Active
1Granted
21Portfolio score
Filing activity: Dec 11, 1989 → Dec 11, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5050635A | Relief valve | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.