SI

Shigenobu Irokawa

TC Tohoku Ricoh Co.: 2 patents #69 of 204Top 35%
Overall (All Time): #2,219,611 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6474156 Method and device for determining the amount of a liquid existing in a container Takanori Endo, Tadashi Yonezawa, Masami Miyake, Seiro Yahata, Shigeru Yashima +2 more 2002-11-05
5667213 Small-size-sheet stacking unit and cleaning sheet therefor Hiroaki Chida, Mitsuo Sato 1997-09-16