MO

Masami Okamoto

Ricoh Company: 4 patents #201 of 1,683Top 15%
Overall (2011): #24,447 of 364,097Top 7%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8027627 Fixing device and image forming apparatus with improved mechanism for stably applying oil for fixing Jun Okamoto, Kazuo Suno, Kenji Nozawa, Yoshihiro Sonohara, Naoto Suzuki +4 more 2011-09-27
8023850 Image forming apparatus capable of stably applying oil for fixing Jun Okamoto, Kazuo Suno, Kenji Nozawa, Naoto Suzuki, Yoshihiro Sonohara +4 more 2011-09-20
7957663 Heater, fixing unit and image forming apparatus Kazuhito Kishi, Yasuhisa Kato, Yasutada Tsukioka, Hiromasa Takagi, Susumu Matsusaka +1 more 2011-06-07
7885569 Heater, fixing unit and image forming apparatus operable with a main and auxiliary power supply unit Kazuhito Kishi, Yasuhisa Kato, Yasutada Tsukioka, Hiromasa Takagi, Susumu Matsusaka +1 more 2011-02-08