Information in the game database is updated periodically. Below, you'll find that information compiled as pertains to Yumekobo. The company may be involved as a publisher, developer or both.
Blazing Star [February 19, 1998]
Bio Motor Unitron [July 31, 1999]
Fatal Fury: First Contact [April 30, 1999]
Kikou Seiki Unitron [January 20, 2000]
Pocket Tennis 
Pocket Tennis Color [April 30, 1999]
Puzzle Link [September 30, 1999]
Puzzle Link 2 [April 1, 2000]
Renketsu Puzzle Tsunagete Pon! [October 28, 1998]
SNK Gals Fighters [February 19, 2000]
The King of Fighters '97 [March 26, 1998]
There are numerous companies in the industry, and their names change like the weather. The information above is not particular about the finer details. Acquisitions are common, so companies with no recent listings may still be developing games under a new name. For example, DMA Design currently has a Rockstar name. Do you know of a title that is not listed above but should be? Be sure and let a staff member know. You can contact staff if you click here.