Kenkyusha.co.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 113 099 in the world, while most of its traffic comes from Japan, where it reached as high as 4 934 position. It was owned by several entities, from Kenkyusha Limited to Ohtsuka Makoto of Kenkyusha Limited, it was hosted by NTT Communications Corporation, KDDI Web Communications Inc. and others.

Kenkyusha has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Kenkyusha.co.jp is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Kenkyusha.co.jp is a fully trustworthy domain with no visitor reviews.