an and he appears to also be an inventor.....these are 4 new...

an

and he appears to also be an inventor.....these are 4 new categories per google search below. I can see that they are filed (and in some cases granted) in a number of countries. Seems we recently got one one in Sweden?

http://was.prv.se/spd/patent?p1=KmX...content=karantzis&lang=en&hitsstart=0&start=0

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0	search URL:	https://patents.google.com/?inventor=karantzis	[/url]
1	id	title	assignee	inventor/author	priority date	filing/creation date	publication date	grant date	result link
2	US8620810B2	Methods and systems for verifying transactions	Isignthis Ltd.	Nickolas John Karantzis	2/4/10	31/3/11	31/12/13	31/12/13	https://patents.google.com/patent/US8620810B2/en
3	WO2016094954A1	Assurance of identity information	Isignthis Ltd	Nickolas John Karantzis	17/12/14	17/12/15	23/6/16		https://patents.google.com/patent/WO2016094954A1/en
4	WO2016101027A1	Securing a transaction	Isignthis Ltd	Nickolas John Karantzis	24/12/14	22/12/15	30/6/16		https://patents.google.com/patent/WO2016101027A1/en
5	WO2016187662A1	Secure payment	Isx Ip Ltd	Nickolas John Karantzis	25/5/15	25/5/16	1/12/16		https://patents.google.com/patent/WO2016187662A1/en

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