Inventor
ISHIKAWA NAOYUKI
JP56 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA NAOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
11 patentsUS9010940B2Apr 21, 2015
Image projection apparatus
RICOH CO LTD6 citations84
US9004697B2Apr 14, 2015
Image projection apparatus
RICOH CO LTD4 citations73
US9329463B2May 3, 2016
Image projection apparatus
RICOH CO LTD1 citations63
US9291883B2Mar 22, 2016
Image projection apparatus
RICOH CO LTD1 citations63
US9075297B2Jul 7, 2015
Image projection apparatus
RICOH CO LTD1 citations63
US10496221B2Dec 3, 2019
Position detection device, image display device and image display system
RICOH CO LTD1 citations59
US10012893B2Jul 3, 2018
Image projection apparatus
RICOH CO LTD0 citations52
US9671681B2Jun 6, 2017
Image projection apparatus
RICOH CO LTD0 citations52
US9429828B2Aug 30, 2016
Image projection apparatus
RICOH CO LTD0 citations52
US9304381B2Apr 5, 2016
Image projection apparatus
RICOH CO LTD0 citations52
US9033514B2May 19, 2015
Image projection apparatus
RICOH CO LTD1 citations52
ISHIKAWA NAOYUKI
8 patentsUS8465012B2Jun 18, 2013
Creasing device and image forming system
ISHIKAWA NAOYUKI7 citations83
US8424859B2Apr 23, 2013
Creasing apparatus and image forming system
ISHIKAWA NAOYUKI10 citations83
US9898101B2Feb 20, 2018
Input device and electronic information board system with a movable object movable in a slant direction
ISHIKAWA NAOYUKI1 citations52
US9348201B2May 24, 2016
Image projection apparatus
ISHIKAWA NAOYUKI0 citations52
US9086615B2Jul 21, 2015
Image projection apparatus
ISHIKAWA NAOYUKI0 citations52
US9390871B2Jul 12, 2016
Switch mechanism and electronic device
ISHIKAWA NAOYUKI0 citations51
US9886106B2Feb 6, 2018
Input device, and electronic information board system
ISHIKAWA NAOYUKI0 citations41
US9678416B2Jun 13, 2017
Light source device provided with cooler and image projection device including light source device provided with cooler
ISHIKAWA NAOYUKI0 citations41
FUJIOKA TETSUYA
7 patentsUS8985786B2Mar 24, 2015
Image projection apparatus
FUJIOKA TETSUYA14 citations84
US9052580B2Jun 9, 2015
Outer housing for an image projection apparatus
FUJIOKA TETSUYA5 citations73
US8882277B2Nov 11, 2014
Image projection apparatus
FUJIOKA TETSUYA5 citations73
US9010939B2Apr 21, 2015
Image projection apparatus
FUJIOKA TETSUYA3 citations62
US9274409B2Mar 1, 2016
Image projection apparatus
FUJIOKA TETSUYA0 citations52
US8998425B2Apr 7, 2015
Image projection apparatus
FUJIOKA TETSUYA0 citations52
US9104093B2Aug 11, 2015
Illumination optical system and image projection device
FUJIOKA TETSUYA0 citations51
YAMADA MASAMICHI
3 patentsMIKAWA AKIHISA
3 patentsTSUCHIYA SATOSHI
3 patentsUS9423676B2Aug 23, 2016
Lighting unit and image projector
TSUCHIYA SATOSHI4 citations72
US9244247B2Jan 26, 2016
Auto-focus device, projection lens device, and image projection apparatus
TSUCHIYA SATOSHI2 citations61
US9625797B2Apr 18, 2017
Projection optical device and image projection apparatus
TSUCHIYA SATOSHI1 citations51
HATTORI HITOSHI
3 patentsUS8322701B2Dec 4, 2012
Image forming apparatus
HATTORI HITOSHI6 citations72
US8162305B2Apr 24, 2012
Sheet processing system, sheet-supply control method, and computer program product
HATTORI HITOSHI6 citations72
US8413976B2Apr 9, 2013
Image forming system, sheet finisher, and folding method
HATTORI HITOSHI2 citations62
SHIBASAKI YUUSUKE
2 patentsSAITO TAKASHI
1 patentKOJIMA HIDETOSHI
1 patentAIBA GO
1 patentMIKUTSU YASUNARI
1 patentNAGASAKO SHUUYA
1 patentKIKKAWA NAOHIRO
1 patentYAMAMOTO SEIKO
1 patentTDK CORP
1 patentKANAI HIDEO
1 patentNISHI YUKIMI
1 patentShowing the top 50 of 56 patents by PatentIndex Score.