HO

Hisao Okada

HC Hitachi Koki Co.: 3 patents #2 of 85Top 3%
Sharp Kabushiki Kaisha: 1 patents #291 of 980Top 30%
Overall (2002): #15,708 of 266,432Top 6%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6487384 Image forming electrophotography apparatus and magnetic developing unit Hiroyuki Mabuchi, Teruaki Mitsuya, Shinya Kobayashi, Yasuo Takuma, Masayoshi Ishii +1 more 2002-11-26
6480691 Developing roll, developing device using the same and electrophotographic apparatus 2002-11-12
6433765 Liquid crystal display Kouji Fujiwara, Tomohiko Yamamoto, Keiichi Tanaka, Naoto Inoue, Hideki Ichioka 2002-08-13
6345163 Developing device for image forming apparatus Katsuhiko Suzuki, Takao Umeda 2002-02-05