Japanese online retailer Askul Corp. said Thursday that it will fully resume services for corporate customers in early December after a cyberattack last month severely disrupted its operations. The Tokyo-based company has been taking orders by fax from some corporate customers, including healthcare facilities. It plans to expand its logistics bases later this month, expecting its shipping capacity to recover to around 20 percent of normal levels. Askul has suspended online order and shipping operations since Oct. 19 after a cyberattack led to the leakage of private information. A hacker group …