Inventor · disambiguated record
Akihisa Maruyama
Also filed as: MARUYAMA AKIHISA
14 granted patents·1 pending application·118 citations·filing 1988–2015
90Inventor score
Top patents by PatentIndex Score
15 records- 0189US7251434B2Color image forming apparatusFUJI XEROX CO LTD·Filed 2005·Granted Jul 31, 2007·11 cites·17 claims
- 0288US9599928B2Powder transport member, powder container, and image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Mar 21, 2017·4 cites·4 claims
- 0380US7224930B2Image forming apparatusFUJI XEROX CO LTD·Filed 2005·Granted May 29, 2007·6 cites·15 claims
- 0479US6173136B1Fuser for two-sided imagerFUJI XEROX CO LTD·Filed 1999·Granted Jan 9, 2001·33 cites·22 claims
- 0575US8768225B2Image forming apparatus having a developer holder with a concavo-convex outer surfaceOBA SHOTA·Filed 2011·Granted Jul 1, 2014·2 cites·6 claims
- 0668US8676094B2Developing device, visible image forming device, and image forming apparatusNAKAJIMA YOSHITAKA·Filed 2011·Granted Mar 18, 2014·2 cites·7 claims
- 0767US4939681ACircuit simulation method for semiconductor device including field effect transistorsHITACHI LTD·Filed 1988·Granted Jul 3, 1990·45 cites·6 claims
- 0849US8995890B2Developing device and image forming apparatus having magnetic poles to control the distribution of a magnetic attraction forceFUJI XEROX CO LTD·Filed 2013·Granted Mar 31, 2015·0 cites·5 claims
- 0947US9341987B2Development roller, developing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted May 17, 2016·0 cites·4 claims
- 1047US6222606B1Duplex imaging apparatusFUJI XEROX CO LTD·Filed 1999·Granted Apr 24, 2001·9 cites·7 claims
- 1143US7937035B2Image forming apparatus including cleaning unit provided with cleaning member having free end facing upward and friction reducing unit, and image forming methodFUJI XEROX CO LTD·Filed 2008·Granted May 3, 2011·0 cites·14 claims
- 1239US7395022B2Image forming apparatus with toner recovery systemFUJI XEROX CO LTD·Filed 2005·Granted Jul 1, 2008·0 cites·13 claims
- 1337US2006204296A1Image forming apparatusFUJI XEROX CO LTD·Filed 2005·Application pending·0 cites
- 1432US9465326B1Image forming apparatus having a controller for controlling toner discharge operationFUJI XEROX CO LTD·Filed 2015·Granted Oct 11, 2016·0 cites·2 claims
- 1532US5585901ADeveloping machine and carrier containing a charge-imparting agentFUJI XEROX CO LTD·Filed 1995·Granted Dec 17, 1996·6 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Akihisa Maruyama 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 →