Assignee
ISHIDAI KEIKO
JP·1 granted patent·1 pending application·0 citations·filing 2007–2013
Top patents by PatentIndex Score
2 records- 0146US9062225B2Production process for colorant, colorant composition, toner, ink for ink jet recording and color filterISHIDAI KEIKO·Filed 2013·Granted Jun 23, 2015·0 cites·6 claims
- 0231US2007259282A1Electrophotographic toner, image forming method, dye and metal chelate dyeISHIDAI KEIKO·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when ISHIDAI KEIKO 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 →