TH

Toshitaka Hirata

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
RC Rocoh Company: 1 patents #9 of 21Top 45%
Overall (All Time): #891,445 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5359350 Method of driving ink jet printing head Tomoaki Nakano, Hiromichi Komai, Toshio Inada, Masami Kadonaga 1994-10-25
5270740 Ink jet head Osamu Naruse, Hiromichi Komai, Toshio Inada, Kenichi Ichikawa, Tomoaki Nakano +4 more 1993-12-14
5266965 Method of driving ink jet type printing head Hiromichi Komai, Tomoaki Nakano, Toshio Inada 1993-11-30
4661822 Ink jet printer Tetsuro Hirota, Shigeyuki Araki, Shizuo Yokoyama, Haruyoshi Masui 1987-04-28
4437101 Ink jet printing apparatus Yutaka Ebi, Takao Fukazawa, Toshio Kawakubo, Koichiro Jinnai, Masanori Horike +2 more 1984-03-13
4369471 Apparatus for and method of processing the image signal 1983-01-18