Assignee
ISHIKAWA NAOYUKI
JP·11 granted patents·1 pending application·18 citations·filing 2011–2025
Top patents by PatentIndex Score
12 records- 0192US8424859B2Creasing apparatus and image forming systemISHIKAWA NAOYUKI·Filed 2011·Granted Apr 23, 2013·10 cites·12 claims
- 0287US8465012B2Creasing device and image forming systemISHIKAWA NAOYUKI·Filed 2011·Granted Jun 18, 2013·7 cites·10 claims
- 0365US9898101B2Input device and electronic information board system with a movable object movable in a slant directionISHIKAWA NAOYUKI·Filed 2015·Granted Feb 20, 2018·1 cites·9 claims
- 0462US2025348158A1Writing device, display device, and communication systemISHIKAWA NAOYUKI·Filed 2025·Application pending·0 cites
- 0556US9086615B2Image projection apparatusISHIKAWA NAOYUKI·Filed 2012·Granted Jul 21, 2015·0 cites·6 claims
- 0653US9390871B2Switch mechanism and electronic deviceISHIKAWA NAOYUKI·Filed 2014·Granted Jul 12, 2016·0 cites·6 claims
- 0751US9606426B2Duct cover for an image projection apparatusISHIKAWA NAOYUKI·Filed 2014·Granted Mar 28, 2017·0 cites·16 claims
- 0851US9348201B2Image projection apparatusISHIKAWA NAOYUKI·Filed 2015·Granted May 24, 2016·0 cites·16 claims
- 0945US9541821B2Light source housing, light source device, and image projection apparatusISHIKAWA NAOYUKI·Filed 2015·Granted Jan 10, 2017·0 cites·11 claims
- 1042US9886106B2Input device, and electronic information board systemISHIKAWA NAOYUKI·Filed 2015·Granted Feb 6, 2018·0 cites·9 claims
- 1142US9537257B2Image projection apparatus and light source unitISHIKAWA NAOYUKI·Filed 2015·Granted Jan 3, 2017·0 cites·9 claims
- 1241US9678416B2Light source device provided with cooler and image projection device including light source device provided with coolerISHIKAWA NAOYUKI·Filed 2015·Granted Jun 13, 2017·0 cites·6 claims
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