YK

Yoshinori Koyama

MS Mitsubishi Hitachi Power Systems: 2 patents #34 of 252Top 15%
Mitsubishi Electric: 2 patents #389 of 2,598Top 15%
EC Electric Power Development Co.: 1 patents #1 of 14Top 8%
HC Hokkaido Electric Power Co.: 1 patents #1 of 5Top 20%
HP Hokuriku Electric Power: 1 patents #1 of 9Top 15%
KC Komy Co.: 1 patents #1 of 4Top 25%
KC Kyushu Electric Power Co.: 1 patents #1 of 17Top 6%
SC Shikoku Electric Power Co.: 1 patents #1 of 5Top 20%
CC Chugoku Electric Power Co.: 1 patents #1 of 12Top 9%
KC Kansai Electric Power Co.: 1 patents #12 of 37Top 35%
TC Tohoku Electric Power Company: 1 patents #8 of 41Top 20%
CI Chubu Electric Power Company, Incorporated: 1 patents #1 of 21Top 5%
Overall (2016): #21,911 of 481,213Top 5%
5
Patents 2016

Issued Patents 2016

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9487715 Coal gasifier Takashi Yamamoto, Katsuhiko Yokohama, Katsuhiro Ota, Hiromi Ishii 2016-11-08
9481302 Mirror for checking blind spot Sakae Komiyama, Hisanaga Takeda, Yoshiyuki Iwata 2016-11-01
9446913 Powder conveyance device and char recovery apparatus Yasuo Soda, Haruto Shinoda, Yasunari Shibata 2016-09-20
9388349 Char recovery system and char feeding hopper Yasunari Shibata, Osamu Shinada, Katsuhiko Yokohama, Taketoshi Sakae, Koji Nishimura +1 more 2016-07-12
9239164 Slag monitoring device for coal gasifier and coal gasifier Masami Iida, Katsuhiko Yokohama, Naoki Suganuma, Mutsuaki Taguchi 2016-01-19