YI

Yoshimichi Ishikawa

Ricoh Company: 5 patents #145 of 1,683Top 9%
📍 Kasai, JP: #18 of 652 inventorsTop 3%
Overall (2011): #13,343 of 364,097Top 4%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8053154 Toner and image forming method Takuya Kadota, Masayuki Hagi, Yoshihiro Mikuriya, Katsunori Kurose, Hiroaki Kato +4 more 2011-11-08
8043779 Pulverized toner Hideaki Yasunaga, Hiroaki Kato, Masayuki Hagi, Katsunori Kurose, Yoshihiro Mikuriya +2 more 2011-10-25
8012658 Toner for developing electrostatic image, and image forming apparatus and process cartridge using the toner Chiyoshi Nozaki, Takuya Kadota, Katsunori Kurose, Mitsuyo Matsumoto, Tsuyoshi Nozaki +2 more 2011-09-06
7903998 Image forming apparatus Mitsuyo Matsumoto, Chiyoshi Nozaki, Takuya Kadota, Katsunori Kurose, Tsuyoshi Nozaki +1 more 2011-03-08
7867685 Image forming method and apparatus Hiroyuki Murakami, Masahide Inoue, Chiyoshi Nozaki, Tsuyoshi Nozaki, Atsushi Yamamoto +3 more 2011-01-11