KA

Keiichiro Asai

NI Ngk Insulators: 5 patents #10 of 249Top 5%
Overall (2020): #34,529 of 565,922Top 7%
5
Patents 2020

Issued Patents 2020

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10859747 Phosphor element and illumination device Jungo Kondo, Naotake Okada, Shoichiro Yamaguchi, Shuhei Higashihara, Yuichi Iwata +2 more 2020-12-08
10746926 Optical waveguide substrate Shoichiro Yamaguchi 2020-08-18
10720566 Bonding method Tomoyoshi Tai, Yuji Hori, Takashi Yoshino, Masashi Goto, Masahiko Namerikawa 2020-07-21
10720746 Optical element and method for manufacturing optical element Kousuke Niwa, Jungo Kondou, Shoichiro Yamaguchi 2020-07-21
10564513 Optical waveguide devices Shoichiro Yamaguchi 2020-02-18