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Kanagawa, Japan

Masashi Ohkubo

USPTO Granted Patents = 16 (Patent Applications = 1)

EPO Patents = 2

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 382(Granted Patents)

Location History:

Tokyo, JP (1992 - 1993)
Kanagawa, JP (1998 - 2017)

Company Filing History:

16 out of 58,131

Sony Corporation

Years Active: 1992-2017

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9658067 - Velocity calculation device, velocity calculation method, and navigation device (2017-05-23),

2. 9513124 - Velocity calculation device, velocity calculation method, and navigation device (2016-12-06),

3. 8989982 - Velocity calculation device, velocity calculation method, and navigation device (2015-03-24),

4. 8571795 - Navigation apparatus and navigation information calculation method (2013-10-29),

5. 8457923 - Velocity calculating apparatus, velocity calculating method, navigation apparatus, and mobile phone with navigation function (2013-06-04),

6. 7747383 - Offset detection of acceleration sensor and navigation system (2010-06-29),

7. 7505865 - Velocity detection, position detection and navigation system (2009-03-17),

8. 7174032 - Apparatus, method, and program for personal identification (2007-02-06),

9. 6778963 - Speech recognition system for car navigation and microphone (2004-08-17),

10. 6445338 - Detecting apparatus of vehicle speed (2002-09-03),

11. 5974359 - Method and apparatus for correcting output sensitivity, and navigation (1999-10-26),

12. 5917921 - Noise reducing microphone apparatus (1999-06-29),

13. 5862240 - Microphone device (1999-01-19),

14. 5708438 - Angular velocity calculating apparatus for navigation apparatus (1998-01-13),

15. 5243661 - Microphone apparatus (1993-09-07),

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