Masuda Co., Ltd.
3Patents
0Active
3Granted
25Portfolio score
Filing activity: Mar 25, 1976 → Jul 29, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5819347A | Pillow comprised of bags filled with cedar chips, polypropylene pipe chips and fibers containing aromatic essence of Japanese cypress | Emerging Cross-Sectional Technologies | 27 | Expired |
| USD262641S | Musical toy locomotive | General | 10 | Expired |
| US4079748A | Automatic stop valve | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.