Matsushita now known as Panasonic Corp comes sixth in the list with 1,745 patents.
Panasonic's vision is to build products 'in harmony with the environment'.
In January, the company won patents for a method of designing a semiconductor integrated circuit, Loudspeaker edge, Data library device, fuel cell etc.
Panasonic makes products that can be easily used by people with disabilities also.
Image: A worker puts a new sign reading Panasonic Corporation over a sign reading Matsushita Electric Industrial Co. Ltd at the company's office in Tokyo September 27, 2008. Japan's Matsushita is now Panasonic. | Photograph: Yuriko Nakao/Reuters
Also read: 10 biggest wealth creators of 2008
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