Which inventor has the largest number of patents?

Gurtej Sandhu
Shunpei Yamazaki
Fujio Masuoka
Shuji Nakamura
Shunpei Yamazaki is a Japanese inventor in the field of computer science and solid-state physics. He is a prolific inventor listed on 5,029 U.S. utility patents, as of December 19, 2017. In 2005 he was named as the most prolific inventor in history by USA Today.
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Answers by country

Gurtej Sandhu
Shunpei Yamazaki
Fujio Masuoka
Shuji Nakamura
answers
flagthe United States
12%
48%
12%
26%
49
flagAustria
11%
47%
19%
19%
36
flagPakistan
0%
46%
46%
6%
15
flagPoland
8%
41%
25%
23%
2947
flagthe Netherlands
5%
41%
29%
23%
17
flagthe Philippines
18%
40%
18%
22%
22
flagGermany
8%
33%
30%
27%
194
flagthe United Kingdom
23%
32%
25%
18%
43
flagIndia
15%
30%
34%
16%
155
flagAustralia
9%
23%
42%
19%
21
flagSwitzerland
21%
18%
25%
31%
32
flagNepal
18%
18%
45%
18%
11