MK

Masatoshi Kumagai

HI Hitachi: 23 patents #1,433 of 28,497Top 6%
TT Toshiba Lighting & Technology: 12 patents #48 of 486Top 10%
XI Xanavi Informatics: 6 patents #18 of 156Top 15%
CC Clarion Co.: 3 patents #176 of 721Top 25%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
TC Tohoku Electric Power Company: 1 patents #65 of 246Top 30%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
Overall (All Time): #50,683 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
8392100 Method and apparatus for determining traffic data Kenichiro Yamane 2013-03-05
8275505 Method and control system for controlling an auxiliary device of a vehicle 2012-09-25
8255162 Method and system for route searching, and navigation apparatus using the same Mariko Okude, Takumi Fushiki, Koichiro Tanikoshi 2012-08-28
8244451 Traffic information providing system, apparatus, method, and in-vehicle information apparatus Mariko Okude, Tomoaki Hiruta, Shinichi Amaya, Noriyuki Abe, Yoshinori Endo 2012-08-14
8121776 Incident resolution judgment system Tomoaki Hiruta, Takayoshi Yokota, Koichiro Tanikoshi 2012-02-21
8079736 Lighting apparatus Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more 2011-12-20
8068973 Traffic information providing system and car navigation system Kenichiro Yamane, Junsuke Fujiwara, Yoshinori Endo, Kimiyoshi Machii, Takayoshi Yokota +1 more 2011-11-29
8047687 Lighting apparatus Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more 2011-11-01
8042973 Lighting apparatus Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more 2011-10-25
7899612 Traffic information estimating system Takumi Fushiki, Takayoshi Yokota, Kazuya Kimita 2011-03-01
7894981 Traffic information providing system and car navigation system Kenichiro Yamane, Junsuke Fujiwara, Yoshinori Endo, Kimiyoshi Machii, Takayoshi Yokota +1 more 2011-02-22
7783415 Traffic information processing apparatus Kenichiro Yamane, Mariko Okude 2010-08-24
7722213 Lighting apparatus Masaru Inoue, Keiichi Shimizu, Sumio Hashimoto, Hirokazu Otake, Mitsuhiko Nishiie +1 more 2010-05-25
7693650 System and method for collecting and distributing traffic information Tomoaki Hiruta, Mariko Okude, Koichiro Tanikoshi 2010-04-06
7636630 Traffic information prediction device with day-factors and day factor classifications Takumi Fushiki, Takayoshi Yokota, Kazuya Kimita 2009-12-22
7580788 Traffic information interpolation system Tomoaki Hiruta, Koichiro Tanikoshi 2009-08-25
7577513 Traffic information prediction system Takumi Fushiki, Takayoshi Yokota, Kazuya Kimita 2009-08-18
7555381 Traffic information providing device, traffic information providing system, traffic information transmission method, and traffic information request method Mariko Okude, Koichiro Tanikoshi 2009-06-30
7545743 P2P traffic supporting router and P2P traffic information sharing system using the router Takuji Oyama 2009-06-09
7542844 Dynamic prediction of traffic congestion by tracing feature-space trajectory of sparse floating-car data Tomoaki Hiruta, Mariko Okude, Koichiro Tanikoshi 2009-06-02
7536254 Traffic information estimating system Takumi Fushiki, Takayoshi Yokota, Kazuya Kimita 2009-05-19
7355528 Traffic information providing system and car navigation system Kenichiro Yamane, Junsuke Fujiwara, Yoshinori Endo, Kimiyoshi Machii, Takayoshi Yokota +1 more 2008-04-08
7035901 SMTP server, POP server, mail server, mail processing system and web server Toshihiro Watanabe, Kenichiro Osada, Nobuhiro Miyatake 2006-04-25
6359889 Cell switching device for controlling a fixed rate connection Yuji Tazaki, Toshiyuki Kamo 2002-03-19
6159827 Preparation process of semiconductor wafer Makoto Kataoka, Yasuhisa Fujii, Kentaro Hirai, Hideki Fukumoto 2000-12-12