Sanwa Machine Co., Inc.
2Patents
0Active
2Granted
20Portfolio score
Filing activity: Mar 15, 1974 → Mar 18, 1974
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3945614A | Ice cream freezer | Human Necessities | 13 | Expired |
| US3979172A | Ice cream freezer | Human Necessities | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.