The benchmark Nikkei 225 index edged up 0.17 percent, or 46.78 points, to 28,364.61, while the broader Topix index rose 0.44 percent, or 8.35 points, to 1,913.04.
The benchmark Nikkei 225 index was up 0.32 percent or 89.46 points to 28,407.29, while the broader Topix index was up 0.44 percent or 8.37 points at 1,913.06.
Banks were also higher, with Mitsubishi UFJ Financial rallying 4.67 percent to 591.4 yen and Sumitomo Mitsui Financial rising 3.03 percent to 3,947 yen.
Takeda Pharmaceutical was up 2.69 percent at 3,775 yen after reports said its partner US biotech firm Moderna is planning to file in Japan for approval of its coronavirus vaccine as early as Friday.
SoftBank's climbing share price has pushed its market cap above $200 billion, in marked contrast to a year earlier when it slipped behind Sony Corp to third place in the index.
In Tokyo, tech components maker Nidec was up 2.97 percent at 14,745 after it raised its annual outlook and said it will buy back shares after reporting quarterly profit and sales that topped analysts' estimates.
The stocks that gained the most among the top 30 core Topix names were Murata Manufacturing Co Ltd up 4.67%, followed by Daiichi Sankyo Co Ltd gaining 2.64%.
Advantest, a major producer of chip-testing tools, surged 2.49 percent to 7,400 yen. Tokyo Electron, a producer of equipment to make semiconductors, rose 1.41 percent to 36,560.
SoftBank Group was down 1.13 percent at 8,393 yen following reports that it applied for an initial public offering of a special purpose acquisition company (SPAC) called SVF Investment to raise up to $525 million.
Japan Post Insurance rose 11.79% after media reports that it would buy back $2.9 billion of its own shares from its parent Japan Post Holdings, whose shares rose 4.12%.
While most observers are confident the world economy will enjoy a healthy recovery next year as inoculations are administered, the immediate impact of the disease as countries endure a fresh wave was acting as a drag on trading floors.
Among major shares in Tokyo, shipping firms were down, with Nippon Yusen declining 1.13 percent to 2,367 yen, Mitsui O.S.K. Lines dropping 0.57 percent to 2,975 yen, and Kawasaki Kisen down 2.37 percent at 1,939 yen.