RI

Ren Itoh

HC Hitachi Koki Co.: 3 patents #334 of 888Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #1,645,685 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5703145 Hot melt type ink composition for ink jet Akemi Sagawa, Masahiko Sakai, Michio Ebata 1997-12-30
5350789 Hot-melt ink composition Akemi Sagawa, Masahiko Sakai, Riyuuichi Shimizu 1994-09-27
5097272 Thermal head, producing method therefor, and recording apparatus using the thermal head Makoto Tsumura, Yasuaki Suzuki, Tatuo Honda, Yasuro Hori 1992-03-17