HO

Hajime Oyama

Ricoh Company: 4 patents #32 of 684Top 5%
Overall (2003): #16,597 of 273,478Top 7%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6658227 Development method apparatus, image formation and process cartridge for suppressing variation in toner charge Tsukuru Kai, Katsuhiro Aoki, Takashi Hodoshima, Yasuo Miyoshi, Ichiro Kadota 2003-12-02
6611672 Image forming apparatus, monocolor image forming apparatus, toner recycling apparatus and intermediate transfer member Katsuhiro Aoki, Tsumori Satoh, Misao Tanzawa, Yuuji Sawai, Mitsuru Takahashi +2 more 2003-08-26
6526248 Toner support member and developing device prevented from charging toner by friction Katsuhiro Aoki, Takashi Hodoshima 2003-02-25
6505014 Image forming apparatus and an image forming process unit Katsuhiro Aoki, Hisashi Shoji, Tsukuru Kai, Noriyoshi Tarumi, Takashi Hodoshima +1 more 2003-01-07