The "EM" series was specifically designed for women (Nikon's concept, not mine), lacking the weight and bulk of the F and Nikkormat series. The EM series also saw the introduction of the "E" series lenses, which had great glass, but were built with less expensive plastics, and lacked the ears of the AI lenses. The EM was built with more plastics in it, and offered only aperture control, but also had exposure compensation.

I'm probably not telling you anything you don't already know, since you owned one. It was a great starter camera for someone seeking Nikon lenses and simplicity of exposure.

The name may remain on some molds, but IBM definitely gave up when they had clearly lost control of the business.
In 2005, Chinese technology company Lenovo purchased the IBM personal computer business and the ThinkPad as a flagship brand along with it. Speaking about the purchase of IBM's personal computer division, Liu Chuanzhi said, "We benefited in three ways from the IBM acquisition. We got the ThinkPad brand, IBM's more advanced PC manufacturing technology and the company's international resources, such as its global sales channels and operation teams. These three elements have shored up our sales revenue in the past several years.
Although Lenovo acquired the right to use the IBM brand name for five years after its acquisition of IBM's personal computer business, Lenovo only used it for three years.
https://en.wikipedia.org/wiki/ThinkPad