AS

Akio Sumizawa

XI Xanavi Informatics: 22 patents #3 of 156Top 2%
CC Clarion Co.: 11 patents #44 of 721Top 7%
Nissan Motor Co.: 6 patents #1,257 of 8,689Top 15%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
Overall (All Time): #90,002 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
10982961 Vehicle control system and vehicle control device 2021-04-20
10845205 Route searching apparatus and route searching method Ryosuke Takeuchi 2020-11-24
10697790 Lane selecting device, vehicle control system and lane selecting method 2020-06-30
10184801 Route searching apparatus and route searching method Ryosuke Takeuchi 2019-01-22
10157187 Information terminal and program 2018-12-18
9816825 Navigation device and method of searching route by the same Arata Hayashi, Hideo Fujiwara, Satoshi Kurihara 2017-11-14
9316504 Navigation device and guidance method thereof Satoshi Kurihara, Hideo Fujiwara 2016-04-19
9239241 Navigation system 2016-01-19
9171466 On-vehicle information terminal and information distribution system 2015-10-27
8825349 On-vehicle information terminal and information distribution system 2014-09-02
8634984 Navigation system 2014-01-21
8224570 On-vehicle map display apparatus, map display method Akihiro Kaneko, Shigeru Shimada, Kishiko Maruyama, Akinori Asahara 2012-07-17
8073876 Computer product having distribution map data, distribution map data generating method, distrubution map data generating apparatus and terminal device Yoshinori Endo 2011-12-06
7908081 Navigation apparatus, navigation system and route search method Takayuki Sakakibara, Kenichi Maruta 2011-03-15
7739037 Map update system, navigation apparatus and providing apparatus Takashi Nomura, Mituteru Satou, Yuki Inoue 2010-06-15
7725254 Navigation device used for a route search Yoshinori Endo, Shinichi Amaya, Taketo Tsuburaya 2010-05-25
7668650 On-vehicle information terminal, abridged map generating apparatus, abridged map display method and display apparatus Wataru Oikubo, Manabu Morita, Atsushi Hiroike, Masaaki Tanizaki, Kishiko Maruyama +1 more 2010-02-23
7653482 On-vehicle navigation apparatus and subject vehicle position correction method 2010-01-26
7636634 On-vehicle information terminal Hiroshi Minagawa, Wataru Oikubo 2009-12-22
7561962 Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method Manabu Morita, Atsushi Hiroike, Kishiko Maruyama, Akinori Asahara 2009-07-14
7546205 On-vehicle information terminal route characteristics extraction apparatus and route characteristics display method Hiroshi Minagawa, Wataru Oikubo 2009-06-09
7512489 Route search method and traffic information display method for a navigation device Yoshinori Endo, Shinichi Amaya 2009-03-31
7493212 Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method Manabu Morita, Atsushi Hiroike, Kishiko Maruyama, Akinori Asahara 2009-02-17
7477269 Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method Manabu Morita, Atsushi Hiroike, Kishiko Maruyama, Akinori Asahara 2009-01-13
7376509 Travel time calculating method and traffic information display method for a navigation device Yoshinori Endo, Shinichi Amaya 2008-05-20