Assignee
OGAWA CHEMICAL IND LTD
JP·4 granted patents·31 citations·filing 1975–1985
Top patents by PatentIndex Score
4 records- 0163US4408921ADetachable head member having slit structureOGAWA CHEMICAL IND LTD·Filed 1981·Granted Oct 11, 1983·18 cites·2 claims
- 0245US4357117ANib holder construction for writing implementsOGAWA CHEMICAL IND LTD·Filed 1980·Granted Nov 2, 1982·9 cites·4 claims
- 0332US4969765AMechanical marking penOGAWA CHEMICAL IND LTD·Filed 1985·Granted Nov 13, 1990·3 cites·18 claims
- 0413US3996183ASolid paste and method of making sameOGAWA CHEMICAL IND LTD·Filed 1975·Granted Dec 7, 1976·1 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →