Assignee
KOTOBUKI SEIHAN PRINTING CO
3 granted patents·47 citations·filing 1980–1982
Top patents by PatentIndex Score
3 records- 0166US4350735ABlanket for offset printingKOTOBUKI SEIHAN PRINTING CO·Filed 1980·Granted Sep 21, 1982·23 cites·2 claims
- 0264US4539647AMethod of and apparatus for identifying presensitized offset printing platesKOTOBUKI SEIHAN PRINTING CO·Filed 1982·Granted Sep 3, 1985·16 cites·2 claims
- 0353US4406759AMethod and apparatus for resharpening cutting tools by electropolishing processKOTOBUKI SEIHAN PRINTING CO·Filed 1981·Granted Sep 27, 1983·8 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when KOTOBUKI SEIHAN PRINTING CO 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 →