RK

Ryuji KATAYAMA

OU Osaka University: 3 patents #231 of 1,984Top 15%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
MT Mitsubishi Heavy Industries Engine & Turbocharger: 2 patents #87 of 278Top 35%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
📍 Suita, JP: #307 of 1,253 inventorsTop 25%
Overall (All Time): #929,586 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12158120 Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder head Masayuki Iizumi, Motoi Kawashima, Takuya Kumagai, Makoto Sakaguchi, Kazunori Sawazaki +1 more 2024-12-03
12094710 Method of forming nitride semiconductor film Nobuaki Takahashi, Hitoshi Miura, Koji Neishi, Yusuke Mori, Masayuki Imanishi 2024-09-17
12074203 Nitride crystal, optical device, semiconductor device, and method for manufacturing nitride crystal Toshiki Hikosaka, Shinya Nunoue, Tomoyuki TANIKAWA, Masahiro UEMUKAI 2024-08-27
11994084 Cylinder head, cylinder block, internal combustion engine, and method for manufacturing cylinder head Masayuki Iizumi, Motoi Kawashima, Takuya Kumagai, Makoto Sakaguchi, Kazunori Sawazaki +1 more 2024-05-28
11677006 Nitride crystal, optical device, semiconductor device, and method for manufacturing nitride crystal Toshiki Hikosaka, Shinya Nunoue, Tomoyuki TANIKAWA, Masahiro UEMUKAI 2023-06-13