SS

Seiji Sarayama

Ricoh Company: 4 patents #126 of 1,821Top 7%
📍 Rifu, JP: #13 of 272 inventorsTop 5%
Overall (2018): #36,221 of 503,207Top 8%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10100426 Method for producing gallium nitride crystal Takashi Satoh, Masahiro Hayashi, Naoya Miyoshi, Chiharu Kimura, Junichi Wada 2018-10-16
9869033 Production of a GaN bulk crystal substrate and a semiconductor device formed on a GaN bulk crystal substrate Masahiko Shimada, Hisanori Yamane, Hirokazu Iwata 2018-01-16
9863058 Gallium nitride crystal, group 13 nitride crystal, group 13 nitride crystal substrate, and manufacturing method Masahiro Hayashi, Takashi Satoh, Hiroshi Nambu, Chiharu Kimura, Naoya Miyoshi 2018-01-09
9856575 Crystal growth apparatus and manufacturing method of group III nitride crystal Hirokazu Iwata, Akihiro Fuse 2018-01-02