YH

Youji Hirose

HI Hitachi: 2 patents #343 of 3,149Top 15%
HC Hitachi Koki Co.: 2 patents #3 of 87Top 4%
Overall (1994): #15,747 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5315353 Image recording method including determining a gap between a photosensitive medium and a developing roller and apparatus therefor Yuzuru Simazaki, Takao Kumasaka, Kunio Satoh 1994-05-24
5307147 Electrophotographic recording apparatus having a plurality of developing devices which can be changed over Takao Kumasaka, Yuzuru Simazaki, Kunio Satoh, Tomio Sugaya 1994-04-26