YU

Yoshio Umayahara

NC Nippon Electric Glass Co.: 16 patents #12 of 437Top 3%
Nichia: 2 patents #761 of 1,531Top 50%
📍 Moriyama, JP: #159 of 2,577 inventorsTop 7%
Overall (All Time): #288,383 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11939258 Glass powder, dielectric material, sintered body, and high frequency circuit member 2024-03-26
10450219 Composite powder, green sheet, light reflective substrate, and light emitting device using same Kumiko HIMEI 2019-10-22
9188713 Light reflective substrate and light emitting device using the same 2015-11-17
9040177 Dopant host Ryota Suzuki, Yoshikatsu Nishikawa, Masaru Ikebe, Hiroki Mori, Yoshinori Hasegawa 2015-05-26
8828550 Dopant host and process for production thereof Ryota Suzuki 2014-09-09
8425802 Illuminating device and phosphor composite material Shunsuke Fujita, Masaru Iwao, Takemi Kikutani 2013-04-23
8344404 Wavelength conversion member and method for manufacturing the same Shunsuke Fujita, Akihiko Sakamoto 2013-01-01
8206613 Phosphor composite material and phosphor composite member Shunsuke Fujita, Masaru Iwao, Takemi Kikutani 2012-06-26
8173043 Process for producing fluorescent substance composite glass and fluorescent substance composite glass green sheet Masaru Iwao 2012-05-08
7811471 Wavelength-converting member Masaru Iwao 2010-10-12
7751661 Optical component and light emitting device using the same Masaaki Kadomi, Tadahito FURUYAMA, Masaru Iwao, Atsutomo Hama, Takafumi Sugiyama +2 more 2010-07-06
7374350 Optical component Masaaki Kadomi, Tadahito FURUYAMA, Masaru Iwao, Atsutomo Hama, Yukihiro Hayashi 2008-05-20
7015160 Glass ceramic dielectric material suitable for production of a microwave circuit component Yoshikatsu Nishikawa 2006-03-21
6875715 Glass ceramic dielectric material suitable for production of a microwave circuit component Yoshikatsu Nishikawa 2005-04-05
6699605 Glass ceramic laminate becoming relatively high in bending strength after fired Yoshikatsu Nishikawa, Kazuyoshi Shindo 2004-03-02
6649550 Glass ceramics dielectric material and sintered glass ceramics Yoshikatsu Nishikawa 2003-11-18