Osaka City
5Patents
0Active
5Granted
24Portfolio score
Filing activity: Jul 13, 1972 → Jul 10, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4285661A | Valve nozzle of injection molding machine | Performing Operations; Transporting | 17 | Expired |
| US4377404A | Hermetic glass-to-metal seal and method for making same | Chemistry; Metallurgy | 15 | Expired |
| US4171941A | Gate of mold for injection molding machine | Performing Operations; Transporting | 13 | Expired |
| US3965200A | Aromatic compound nitration catalyzed by aromatic sulfonic acid supported on solid carrier | Chemistry; Metallurgy | 4 | Expired |
| US4001313A | Manufacture of aromatic amino compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.