OU

Osamu Uchinokura

Ricoh Company: 4 patents #10 of 609Top 2%
Fujitsu Limited: 3 patents #218 of 3,085Top 8%
Overall (2002): #8,192 of 266,432Top 4%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6479204 Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the same Tomio Kondou 2002-11-12
6432589 Image formation method, electrophotographic toners, and printed matter Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Masae Nakamura, Takashi Yamamoto +3 more 2002-08-13
6432590 Electrophotographic toner and image forming method using the toner Hideyuki Ueda, Shohichi Sugimoto, Satoru Miyamoto, Kumi Hasegawa, Tamotsu Kajihara +2 more 2002-08-13
6416914 Image formation process and developer used therein Masae Nakamura, Takashi Yamamoto, Masakazu Kinoshita, Yoshimichi Katagiri, Shinichi Kuramoto +2 more 2002-07-09
6360068 Electrophotographic image formation process and apparatus Masakazu Kinoshita, Takashi Yamamoto, Masae Nakamura, Yoshimichi Katagiri, Shin-ichi Kuramoto +3 more 2002-03-19