There are a few rather unknown artists on this album:
The lyricist named ケネス・オキモト: Kenneth Okimoto
It should be that man (also named Kenneth G. Okimoto) giving his interest fields:
http://dept.sophia.ac.jp/fs/english/.../list/okimoto/
http://researchmap.jp/read0025415/
http://jglobal.jst.go.jp/public/200901094902511264
The singer named ポール吉田: it should be Paul Yoshida, but there are other possible romanizations for 吉田.
My only source is DrillSpin, which shows too the link with Ichiro Nitta:
http://www.drillspin.com/person/view/ARDSAX159211
The singer named 竹中ゆかり: Yukari Takenaka. I don't have some source for her, but I don't find other possible romanization.
About the staff, the art director and the designer are only indicated on the insert back of the vinyl.
The scans are difficult to read, but I have a confirmation of the names on Discogs (all the kanji are correct here):
https://www.discogs.com/%E6%96%B0%E7...elease/4752147
For all other names, I put a photo of the CD booklet:
http://media.vgm.io/albums/62/71226/...1504495585.jpg