With 425 patents held between 2002 and 2022, Alphabet Inc holds the most number of Quantum Computing patents in the Technology, Media and Telecom sector in the Asia-Pacific region, of which 95.8% was contributed by Google LLC.
The second largest number of patents were held by International Business Machines Corp with 375 Quantum Computing patents. The third largest number of patents were held by Northrop Grumman Corp with 316 Quantum Computing patents. The fourth largest number of patents were held by Toshiba Corp with 191 Quantum Computing patents. The fifth largest number of patents were held by Ruban Quantum Technology Co Ltd with 169 Quantum Computing patents.
The top five patents holders, i.e., Alphabet Inc, International Business Machines Corp, Northrop Grumman Corp, Toshiba Corp, and Ruban Quantum Technology Co Ltd, together held 1,476 Quantum Computing patents during the period.
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