Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12132336 | Region energy management device and region energy management method | Tsutomu Kawamura, Ryousuke Nakamura, Tetsushi Ono | 2024-10-29 |
| 11456619 | Energy operation support system and method thereof | Tsutomu Kawamura, Hirotaka Takahashi, Ryousuke Nakamura | 2022-09-27 |
| 11121553 | Power system stability analysis device, stabilization apparatus, and method | Yuki TSUJII, Kenedward Kawakita, Masahiro Watanabe | 2021-09-14 |
| 11088569 | Power flow monitoring device for power system, power system stabilization device, and power flow monitoring method for power system | Yuki TSUJII, Kenedward Kawakita, Masahiro Watanabe, Akira Kikuchi | 2021-08-10 |
| 11042134 | Power system status estimation device and status estimation method | Masahiro Watanabe, Yuki TSUJII, Kenedward Kawakita | 2021-06-22 |
| 11035892 | Electric power system monitoring apparatus and electric power system monitoring method | Shota OMI, Kenichirou Yamane | 2021-06-15 |
| 10860000 | Power system stabilization system and method | Shota OMI, Kenichiro Yamane | 2020-12-08 |
| 10389127 | Power system stabilization system | Yukihiro Takatani, Shota OMI, Kenichiro Yamane | 2019-08-20 |
| 10361560 | Power system control instruction device and method for controlling a voltage of a power system | Shota OMI, Kenichiro Yamane, Masahiro Watanabe | 2019-07-23 |
| 10211777 | Photovoltaic power generator output estimation method and device, and power system monitoring device using same | Masahiro Watanabe, Kenichiro Yamane, Takuya Matsumoto, Tsukasa Oonishi, Ryo Egashira +3 more | 2019-02-19 |
| 9780563 | Power system control system and distributed controller used in same | Shota OMI, Kenichiro Yamane, Yasushi Harada, Masahiro Watanabe, Yasuo Sato +1 more | 2017-10-03 |
| 9774216 | System and method for controlling power system | Kenichiro Yamane, Kunihiko Tsunedomi, Noriyuki Uchiyama, Yasushi Tomita, Tsukasa Onishi | 2017-09-26 |
| 9239242 | Route calculation system, navigation device, and route calculation method | Mariko Okude, Tomoaki Hiruta, Shinichi Amaya | 2016-01-19 |
| 9167653 | Power supply device and luminaire | Koji Takahashi, Hiromichi Nakajima, Kenji Sakai, Hiroyuki Kudo, Hirokazu Otake +7 more | 2015-10-20 |
| 9006974 | Switching power supply apparatus and luminaire | Noriyuki Kitamura, Yuji Takahashi, Hitoshi Kawano, Yosuke Saito | 2015-04-14 |
| 8970127 | Lighting circuit and illumination device | Mitsuhiro Matsuda, Naoko Iwai, Hajime Osaki, Hiroshi Kubota, Takuro Hiramatsu +1 more | 2015-03-03 |
| 8952627 | Illuminating device and illuminating method | Sayaka Tomiyama, Masahiko Kamata, Toshihiko Sasai, Hitoshi Kawano, Naoko Iwai +2 more | 2015-02-10 |
| 8872198 | Luminaire and light-emitting apparatus with light-emitting device | Soichi Shibusawa, Kiyoshi Nishimura, Kozo Ogawa, Nobuhiko Betsuda, Shuhei Matsuda | 2014-10-28 |
| 8823278 | DC power source unit and LED lamp system | Naoko Iwai, Toshihiko Sasai, Masahiko Kamata, Hiroshi Terasaka, Toru Ishikita +1 more | 2014-09-02 |
| 8770795 | Light-emitting device and lighting apparatus | Kozo Uemura, Soichi Shibusawa, Shuhei Matsuda, Nobuhiko Betsuda, Kiyoshi Nishimura | 2014-07-08 |
| 8751077 | Route planning device and route planning system | Tomoaki Hiruta, Mariko Okude | 2014-06-10 |
| 8700293 | Traffic information distribution method, traffic information distribution apparatus and in-vehicle terminal | Mariko Okude, Kenichiro Yamane, Junsuke Fujiwara, Hirotaka Takahashi | 2014-04-15 |
| 8682583 | Route search system | Mariko Okude, Tomoaki Hiruta | 2014-03-25 |
| 8593067 | Led lighting device and illumination apparatus | Naoko Iwai, Hajime Osaki, Kenichi Asami, Hitoshi Kawano | 2013-11-26 |
| 8449699 | Cold-rolled steel sheet, method for manufacturing the same, and backlight chassis | Taro Kizu, Koichiro Fujita, Eiko Yasuhara, Kazuhiro Hanazawa, Kenji Tahara +1 more | 2013-05-28 |