The severity of symptoms depends on whether the injury is mild, moderate or severe. 1  Mild traumatic brain injury, also known as a concussion, either doesn't knock you out or knocks you out for 30 minutes or less. 2  Moderate traumatic brain injury causes unconsciousness lasting more than 30 minutes. Symptoms of moderate traumatic brain injury are similar to those of mild traumatic brain injury but more serious and longer-lasting. Severe traumatic brain injury knocks you out for more than 24 hours.
Hitachi ID Systems, Inc. delivers access governance and identity administration solutions to organizations globally, including many of the Fortune 500 companies. The Hitachi ID Identity and Access Management Suite is a fully integrated solution for....
Hitachi Data Systems Named by Fortune and Great Place to WorkÂ® as One of 2015 Best Workplaces for Millennials. SANTA CLARA, CA â June 23, 2015 â Hitachi Data Systems Corporation (HDS), a wholly owned subsidiary of Hitachi, Ltd. (TSE: 6501), today announced that it was selected by Fortune and work culture experts Great Place to WorkÂ® as one of 2015âs 100 Best Workplaces for Millennials in the United States.