Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11342750 | Power demand/supply adjustment power procurement plan support device and method, and power demand/supply adjustment power procurement plan support system | Toshiyuki Miyake, Masahiro YATSU, Taichiro Kawahara, Toshiyuki Sawa | 2022-05-24 |
| 10860000 | Power system stabilization system and method | Shota OMI, Masatoshi Kumagai | 2020-12-08 |
| 10389127 | Power system stabilization system | Masatoshi Kumagai, Yukihiro Takatani, Shota OMI | 2019-08-20 |
| 10361560 | Power system control instruction device and method for controlling a voltage of a power system | Shota OMI, Masatoshi Kumagai, Masahiro Watanabe | 2019-07-23 |
| 10211777 | Photovoltaic power generator output estimation method and device, and power system monitoring device using same | Masahiro Watanabe, Takuya Matsumoto, Masatoshi Kumagai, Tsukasa Oonishi, Ryo Egashira +3 more | 2019-02-19 |
| 10045375 | Multi-hop radio communication method | Yasutaka Serizawa, Masayuki Miyazaki, Tatsuki Inuduka, Ryo Nakano, Satoru Harada | 2018-08-07 |
| 9780563 | Power system control system and distributed controller used in same | Masatoshi Kumagai, Shota OMI, Yasushi Harada, Masahiro Watanabe, Yasuo Sato +1 more | 2017-10-03 |
| 9774216 | System and method for controlling power system | Kunihiko Tsunedomi, Noriyuki Uchiyama, Yasushi Tomita, Tsukasa Onishi, Masatoshi Kumagai | 2017-09-26 |
| 9606554 | Voltage adjustment device for power distribution system, voltage adjusting method, and power control system | Masahiro Watanabe, Ryo Egashira, Katsuhiro Matsuda, Takafumi Futakami, Toshiyuki Seto +1 more | 2017-03-28 |
| 8700293 | Traffic information distribution method, traffic information distribution apparatus and in-vehicle terminal | Mariko Okude, Masatoshi Kumagai, Junsuke Fujiwara, Hirotaka Takahashi | 2014-04-15 |
| 8392100 | Method and apparatus for determining traffic data | Masatoshi Kumagai | 2013-03-05 |
| 8296062 | Method for displaying traffic information and navigation system | Mariko Okude | 2012-10-23 |
| 8239124 | Traffic information providing system and method for generating traffic information | — | 2012-08-07 |
| 8180557 | Traffic state predicting apparatus | Hirotaka Takahashi, Mariko Okude | 2012-05-15 |
| 8145414 | Method of estimation of traffic information, device of estimation of traffic information and car navigation device | Takumi Fushiki, Manabu Kato, Shinichi Amaya | 2012-03-27 |
| 8068973 | Traffic information providing system and car navigation system | Junsuke Fujiwara, Yoshinori Endo, Kimiyoshi Machii, Masatoshi Kumagai, Takayoshi Yokota +1 more | 2011-11-29 |
| 8024110 | Method of estimation of traffic information, device of estimation of traffic information and car navigation device | Takumi Fushiki, Manabu Kato, Shinichi Amaya | 2011-09-20 |
| 7983837 | Display method of navi-server and navigation | Junsuke Fujiwara, Yoshinori Endo, Kimiyoshi Machii, Shigeru Matsuo, Hideo Hiroshige +2 more | 2011-07-19 |
| 7912635 | Navigation system | Yoshinori Endo, Kimiyoshi Machii, Junsuke Fujiwara | 2011-03-22 |
| 7894981 | Traffic information providing system and car navigation system | Junsuke Fujiwara, Yoshinori Endo, Kimiyoshi Machii, Masatoshi Kumagai, Takayoshi Yokota +1 more | 2011-02-22 |
| 7783415 | Traffic information processing apparatus | Mariko Okude, Masatoshi Kumagai | 2010-08-24 |
| 7609176 | Traffic information prediction apparatus | Yoshinori Endo, Kimiyoshi Machii, Junsuke Fujiwara | 2009-10-27 |
| 7463973 | Car navigation system, traffic information providing apparatus, car navigation device, and traffic information providing method and program | Mariko Okude | 2008-12-09 |
| 7355528 | Traffic information providing system and car navigation system | Junsuke Fujiwara, Yoshinori Endo, Kimiyoshi Machii, Masatoshi Kumagai, Takayoshi Yokota +1 more | 2008-04-08 |
| 6759970 | Broadcasting system, broadcast receiving hardware systems, and navigation terminal | Masato Horita, Takumi Fushiki, Kimiya Yamaashi, Takayoshi Yokota, Yukihiro Kawamata | 2004-07-06 |