AK

Akinori Kumagai

MC Mitsui Mining & Smelting Co.: 2 patents #7 of 67Top 15%
📍 Hida, JP: #1 of 1 inventorsTop 100%
Overall (2016): #162,368 of 481,213Top 35%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9394478 Phosphor, LED light-emission element, and light source device Masaaki Inamura, Michiyo INOUE, Haruka Shimizu, Takayoshi Mori, Jun Itoh 2016-07-19
9312454 Sulfur-containing phosphor coated with ZnO compound Jun Itoh, Asuka Sasakura, Masaaki Inamura, Riichi Ogawara 2016-04-12