SO

So Ohta

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,209,910 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8970858 Operator guidance system and image forming apparatus incorporating same Mami Akiyama, Yasuhiro Sagawa, Masaharu Furuya, Manabu Izumikawa, Mikio Ishibashi +3 more 2015-03-03
7675051 Sheet detector mechanism including sheet detector further including photoreceptors, and image forming apparatus including the same Masataka Shimoohsako, Noriaki Fukube, Tetsuya Ohfuchi 2010-03-09
6996349 Image forming apparatus capable of determining type of recording sheet to prevent sheet jam Masataka Shimoohsako 2006-02-07
6718145 Image forming apparatus capable of determining type of recording sheet to prevent sheet jam Masataka Shimoohsako 2004-04-06