SA

Shigeyuki Araki

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #592,272 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5146240 Image forming apparatus with plural dot densities Takamasa Hayashi, Goro Mori, Masahiro Yamamoto, Masaru Takahashi, Toshitaka Senma +2 more 1992-09-08
4661822 Ink jet printer Tetsuro Hirota, Shizuo Yokoyama, Haruyoshi Masui, Toshitaka Hirata 1987-04-28
4611216 Charged ink particles detection housing Chuji Ishikawa 1986-09-09
4598301 Thermal printer Masayuki Suzaki, Shoji Nishiwaki, Toshitaka Hayashima, Masanori Momose 1986-07-01
4495455 Multi-phase stepping motor controller 1985-01-22
4493570 Control system for impact printer 1985-01-15
4339702 Stepping motor drive apparatus Hideyasu Yamanaka 1982-07-13
4307967 Serial printing apparatus Masato Suzuki, Tatsuyuki Nishizawa 1981-12-29
4262592 Hammer drive apparatus for impact printer 1981-04-21