AK

Akinori Kumagai

MC Mitsui Mining & Smelting Co.: 5 patents #110 of 838Top 15%
📍 Hida, JP: #1 of 11 inventorsTop 10%
Overall (All Time): #955,184 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11339309 Polishing liquid and polishing method Ken MATSUO, Masayuki Matsuyama, Mikimasa Horiuchi 2022-05-24
11015086 Polishing slurry and polishing material Masayuki Matsuyama 2021-05-25
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
9166119 Light-emitting device Haruka Shimizu, Masaaki Inamura, Asuka Sasakura 2015-10-20