identifying signature

[JeanEB]

hoping somebody can help me translate this 

[ROKUJURO]

Perhaps FUJIWARA MASAKIYO. The NAKAGO has been cleaned which is a bad thing.

[Bruce Pennington]

Is it this one?

"MASAKIYO (正清), Kyōhō (享保, 1716-1736), Satsuma – “Kiyomitsu” (清盈), “Kiyomitsu [single-leaf aoi crest] aratameru Mondo no Shō Fujiwara Masakiyo saimei” (清盈・改主水正藤原正清再銘, “Kiyomitsu – once again signed by Mondo no Shō Fujiwara Masakiyo after the change of name”), “Sasshū-jū Kageyoshi saku” (薩州住景吉作) “Sasshū-jū Fujiwara Masakiyo” (薩州住藤原正清), “Sasshū-jū Masakiyo” (薩州住正清), “[single-leaf aoi crest] Mondo no Shō Fujiwara Masakiyo” (主水正藤原正清), “[single-leaf aoi crest] Sasshū-jū Mondo no Shō Fujiwara Masakiyo” (薩州住主水正藤原正清), real name Miyahara Kiyo´emon (宮原清右衛門, the first name can also read Sei´emon), he also bore the first name Kakudayū (覚太夫), he studied under Maruta Sōzaemon Masafusa (丸太惣左衛門正房), in early years he signed with Kageyoshi (景吉) and Kiyomitsu (清盈), some sources list his early name also as Yoshikage (吉景), in the first month of Kyōhō six (1721), the eighth Tokugawa-shōgun Yoshimune (徳川吉宗, 1684-1751) invited the best smiths of the country to a sword forging contest to his Edo residence, the winners were besides of this Masakiyo Ippei Yasuyo (安代), Nobukuni Shigekane (信国重包) from Chikuzen, and the 4th generation Nanki Shigekuni (南紀重国), all of them were granted with the permission to engrave a single leaf of the Tokugawa aoi crest to their tangs, especially outstanding in this contest were Masakiyo an Yasuyo who enjoyed subsequently a veritable
– 532 –
program consisting of recommendations and orders, the honorary title Mondo no Shō (主水正) was granted to him on the 13th day of the seventh month of the same year (1721), he died on the sixth day of the sixth month Kyōhō 15 (1730) at the age of 61, he already focused on the Sōshū masters in his early years but the interpretations do not show the later typical ara-nie and mura-nie, the jigane is an excellently forged itame or ō-itame with ji-nie and chikei, masama appears in the shinogi-ji, the hamon is a gunome-midare, notare mixed with gunome or a notare-midare in nie-deki, in addition many sunagashi, kinsuji and ara-nie and/or mura-nie appear, also the Satsuma-typical imozuru can be seen, the yasurime are katte-sagari and later kiri, that means the angle of the file strokes gets more shallow over the years, in early years he signed with a rather irregular mei, regarding works of his later years, we are facing many daimei of Masachika (正近) or Masamori (正盛), however, there exists the accepted theory that the daimei of Masachika are executed larger than that of Masamori, jōjō-saku
MASAKIYO"