KY

Keiko Yamamichi

IC Idemitsu Kosan Co.: 8 patents #189 of 1,237Top 20%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
📍 Maebashi, JP: #44 of 470 inventorsTop 10%
Overall (All Time): #516,311 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8895154 Organic electroluminescent device Toshihiro Iwakuma, Hiroya Yasuda, Kiyoshi Ikeda, Takashi Arakane, Chishio Hosokawa 2014-11-25
8470455 Organic electroluminescent device Masahide Matsuura, Chishio Hosokawa, Toshihiro Iwakuma 2013-06-25
8178874 Metal complex compound and organic electroluminescent device using same Fumio Okuda, Toshihiro Iwakuma, Chishio Hosokawa 2012-05-15
8106582 Organic electroluminescence display device Kenichi Fukuoka, Kimihiro Yuasa, Chishio Hosokawa, Hitoshi Kuma 2012-01-31
8105701 Organic electroluminescent device Masahide Matsuura, Chishio Hosokawa, Toshihiro Iwakuma 2012-01-31
8106390 Metal complex compound and organic electroluminescent device using same Fumio Okuda, Toshihiro Iwakuma, Chishio Hosokawa 2012-01-31
8048174 Theft prevention system Masato Yamamichi, Satomi Yamamichi, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori +2 more 2011-11-01
7906226 Organic electroluminescent device Masahide Matsuura, Chishio Hosokawa, Toshihiro Iwakuma 2011-03-15
7667228 Metal complex compound and organic electroluminescent device using same Fumio Okuda, Toshihiro Iwakuma, Chishio Hosokawa 2010-02-23
7631361 Content reproduction system Masato Yamamichi, Satomi Yamamichi, Motoji Ohmori, Masaya Yamamoto, Kazuhisa Watanabe +2 more 2009-12-08