HZ

Hideki Zemba

Ricoh Company: 34 patents #505 of 9,818Top 6%
Overall (All Time): #103,352 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
7110699 Image forming apparatus and process cartridge for use in the same Hideo Yoshizawa, Eisaku Murakami, Hiroyuki Nagashima, Yoshiyuki Kimura, Eiji Kurimoto 2006-09-19
7106991 Process cartridge smoothly and stably attached to and detached from an image forming apparatus, and an image forming apparatus including the process cartridge Hiroshi Hosokawa, Tetsuroh Miura, Shinichi Kawahara, Takaaki Tawada, Yoshiyuki Kimura 2006-09-12
7024133 Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself Hiroyuki Nagashima, Atsushi Sampe, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa +7 more 2006-04-04
7010246 Image forming apparatus, drum unit, image forming module, and method of insertion and removal of a damper into and from an image carrier drum Takatsugu Fujishiro, Takeo Suda, Hisao Murayama 2006-03-07
6993281 Image forming apparatus and process cartridge including flexible member Hideo Yoshizawa, Eisaku Murakami, Hiroyuki Nagashima, Yoshiyuki Kimura, Eiji Kurimoto 2006-01-31
6975830 Image forming apparatus, process cartridge, and waste toner recovery device Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Eiji Kurimoto +2 more 2005-12-13
6266501 Image-forming apparatus having a seal for a developer and a method for detecting a removal of the seal Haruji Mizuishi, Masaru Tanaka, Kenzo Tatsumi, Ken Amemiya, Toshitaka Yamaguchi +3 more 2001-07-24
6148161 Image forming apparatus with improved toner density control Noriyuki Usui, Ken Amemiya, Haruji Mizuishi, Mayumi Ohori, Masaru Tanaka +3 more 2000-11-14
6144822 Image forming apparatus having detachable transfer roller and discharge device Toshitaka Yamaguchi, Masaru Tanaka, Hiroshi Mizusawa, Kenzo Tatsumi, Ken Amemiya +3 more 2000-11-07