HM

Hiroaki Miyagawa

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
ND Nitto Denko: 18 patents #154 of 2,479Top 7%
OG Osram Opto Semiconductors Gmbh: 2 patents #532 of 1,154Top 50%
📍 Oceanside, CA: #17 of 1,008 inventorsTop 2%
🗺 California: #10,935 of 386,348 inventorsTop 3%
Overall (All Time): #75,595 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
9170561 Cooling device and image forming apparatus incorporating same Koji Kawahara 2015-10-27
9130131 Garnet-based phosphor ceramic sheets for light emitting device Bin Zhang, Rajesh Mukherjee, Hironaka Fujii, Guang Pan, Toshitaka Nakamura +1 more 2015-09-08
9102875 Emissive ceramic materials having a dopant concentration gradient and methods of making and using the same Guang Pan, Hironaka Fujii, Bin Zhang, Rajesh Mukherjee, Toshitaka Nakamura +1 more 2015-08-11
9046872 Cooling device and image forming apparatus incorporating same Keisuke Ikeda, Makoto Nakura, Susumu Tateyama, Yasuaki Toda, Yutaka Shoji +6 more 2015-06-02
9046858 Cooling device and image forming apparatus including same Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Hiromitsu Fujiya, Keisuke Yuasa +4 more 2015-06-02
8968600 Light emitting composite with phosphor components Bin Zhang, Amane Mochizuki, Toshitaka Nakamura, Guang Pan, Hironaka Fujii 2015-03-03
8922111 Ceramic body for light emitting devices Bin Zhang, Toshitaka Nakamura 2014-12-30
8871114 Phosphor compositions and methods of making the same Bin Zhang, James Chienchung Shih 2014-10-28
8828531 Emissive ceramic materials having a dopant concentration gradient and methods of making and using the same Guang Pan, Hironaka Fujii, Bin Zhang, Rajesh Mukherjee, Toshitaka Nakamura +1 more 2014-09-09
8502442 Light emitting device with translucent ceramic plate Toshitaka Nakamura, Hironaka Fujii, Rajesh Mukherjee, Bin Zhang, Amane Mochizuki 2013-08-06
8339025 Luminescent ceramic and light-emitting device using the same Toshitaka Nakamura, Hironaka Fujii, Rajesh Mukherjee, Bin Zhang, Amane Mochizuki 2012-12-25
8298442 Method of manufacturing phosphor translucent ceramics and light emitting devices Toshitaka Nakamura, Hironaka Fujii, Amane Mochizuki 2012-10-30
8283843 Light emissive ceramic laminate and method of making same Guang Pan, Hironaka Fujii, Rajesh Mukherjee, Bin Zhang, Toshitaka Nakamura +1 more 2012-10-09
8169136 Light emitting device with translucent ceramic plate Toshitaka Nakamura, Hironaka Fujii, Rajesh Mukherjee, Bin Zhang, Amane Mochizuki 2012-05-01
8137587 Method of manufacturing phosphor translucent ceramics and light emitting devices Toshitaka Nakamura, Hironaka Fujii, Amane Mochizuki 2012-03-20
8123981 Method of fabricating translucent phosphor ceramics Toshitaka Nakamura, Hironaka Fujii, Amane Mochizuki 2012-02-28