HN

Hiroshi Nambu

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,180,886 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9863058 Gallium nitride crystal, group 13 nitride crystal, group 13 nitride crystal substrate, and manufacturing method Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Chiharu Kimura, Naoya Miyoshi 2018-01-09
9732435 Group 13 nitride crystal and group 13 nitride crystal substrate Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Chiharu Kimura, Naoya Miyoshi 2017-08-15
9404196 Manufacturing method of group 13 nitride crystal Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Chiharu Kimura, Naoya Miyoshi 2016-08-02
9123863 Group 13 nitride crystal and substrate thereof Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Chiharu Kimura, Naoya Miyoshi 2015-09-01