Assignee
YOKOMATSU MASAYOSHI
JP·2 granted patents·13 citations·filing 1984–1986
Top patents by PatentIndex Score
2 records- 0131US4604757APaper sack with a valve for packaging pulverized or granular materialsYOKOMATSU MASAYOSHI·Filed 1984·Granted Aug 5, 1986·13 cites·5 claims
- 0217US4725262AProcess and apparatus for the manufacture of a valved sack with self-sealing valveYOKOMATSU MASAYOSHI·Filed 1986·Granted Feb 16, 1988·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when YOKOMATSU MASAYOSHI files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →