Inventor · disambiguated record
Katsumi Kumagai
Also filed as: KUMAGAI KATSUMI
4 granted patents·125 citations·filing 1999–2003
79Inventor score
Top patents by PatentIndex Score
4 records- 0177US6567180B1Document printing methodHITACHI KOKI KK·Filed 1999·Granted May 20, 2003·80 cites·6 claims
- 0276US7092117B2Print systemRICOH PRINTING SYS LTD·Filed 2001·Granted Aug 15, 2006·24 cites·20 claims
- 0367US6950203B1Print system and print system control methodAKABANE TATSURO·Filed 2000·Granted Sep 27, 2005·19 cites·17 claims
- 0450US7209256B2Document processing methodRICOH PRINTING SYS LTD·Filed 2003·Granted Apr 24, 2007·2 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Katsumi Kumagai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →