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Shinobu Doi — 4 Patents

AEAlpine Electronics: 3 patents #99 of 637Top 20%

Torrance, CA: #570 of 2,137 inventorsTop 30%

California: #126,026 of 386,348 inventorsTop 35%

Overall (All Time): #1,080,739 of 4,157,543Top 30%

4 Patents All Time

Shinobu Doi has been granted 4 US patents while listed as an inventor at Alpine Electronics. The first was granted in 2014 and the most recent in March 2018. Shinobu Doi ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Shinobu Doi in Torrance, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
9927251	Method and apparatus for detecting and correcting freeway-ramp-freeway situation in calculated route	Tien Vu	2018-03-27
8977487	Navigation device and guide route search method	—	2015-03-10
8810510	Cursor display method and character input apparatus	—	2014-08-19
8645065	Navigation device and traffic line display method	—	2014-02-04

Shinobu Doi — 4 Patents

Patents per Year

Issued Patents All Time

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