YH

Yumiko Hayashida

TT Toshiba Lighting & Technology: 7 patents #79 of 486Top 20%
Overall (All Time): #740,202 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8773612 Light emitting module and illumination apparatus Tomohiro Sanpei, Kiyoshi Otani, Masahiro Izumi, Junya Murata, Akiko Saito 2014-07-08
8766536 Light-emitting module having light-emitting elements sealed with sealing member and luminaire having same Soichi Shibusawa, Yuiko Nakagawa, Hiroki Tamai 2014-07-01
8643047 Light-emitting device and luminaire Kozo Uemura, Soichi Shibusawa, Kiyoshi Nishimura, Seiko Kawashima, Tsuyoshi Oyaizu +3 more 2014-02-04
8398267 Illumination device with semiconductor light-emitting elements Tomohiro Sanpei, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda 2013-03-19
8167456 Illumination device with semiconductor light-emitting elements Tomohiro Sanpei, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda 2012-05-01
7934856 Illumination device with semiconductor light-emitting elements Tomohiro Sanpei, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda, Shinji Nogi 2011-05-03
7690817 Illumination device with semiconductor light-emitting elements Tomohiro Sanpei, Masahiro Izumi, Kiyoshi Otani, Yutaka Honda, Shinji Nogi 2010-04-06