KA

Keiichiro Asai

NI Ngk Insulators: 3 patents #31 of 196Top 20%
Overall (2003): #27,161 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6649493 Method for fabricating a III nitride film, and underlayer for fabricating a III nitride film and a method for fabricating the same underlayer Tomohiko Shibata, Yukinori Nakamura, Mitsuhiro Tanaka 2003-11-18
6597023 Semiconductor light-detecting element Tomohiko Shibata, Shigeaki Sumiya, Mitsuhiro Tanaka 2003-07-22
6554896 Epitaxial growth substrate and a method for producing the same Tomohiko Shibata, Yukinori Nakamura 2003-04-29