RH

Ryuji Higa

RK Riso Kagaku: 6 patents #86 of 551Top 20%
📍 Oshima, JP: #196 of 1,090 inventorsTop 20%
Overall (All Time): #886,795 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5963241 Thermal head control method and device for making a stencil master plate Junji Takahashi, Musashi Hirata 1999-10-05
5845570 Print image treatment device Takashi Isozaki, Takahito Tojima, Sadanao Okuda 1998-12-08
5813341 Print image treatment device Takahito Tojima, Takashi Isozaki, Sadanao Okuda 1998-09-29
5671675 Print image treatment device Sadanao Okuda, Takashi Isozaki, Takahito Tojima 1997-09-30
5642672 Print image treatment device Takashi Isozaki, Takahito Tojima, Sadanao Okuda 1997-07-01
5537920 Rotary stencil printing drum equipped with a wireless data communication device Takanori Hasegawa, Junji Takahashi 1996-07-23