SO

Shuichi Ohtsuka

Fujitsu Limited: 49 patents #280 of 24,456Top 2%
FU Fujifilm: 15 patents #581 of 4,519Top 15%
📍 Kammi, JP: #4 of 161 inventorsTop 3%
Overall (All Time): #34,936 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 51–64 of 64 patents

Patent #TitleCo-InventorsDate
4656356 Device for charging electrophotographic apparatus Akira Yoda, Masamichi Sato 1987-04-07
4624554 Charging and exposing head for use in electrophotographic apparatus Hiroshi Matsuoka, Yoshimitsu Sato 1986-11-25
4622915 Developing head of electrophotographic system Akinori Kimura 1986-11-18
4623240 Method of drying electrophotosensitive member in electrophotographic recording or copying system of wet type Akinori Kimura 1986-11-18
4619513 Electrophotographic system Keiichi Yamana, Hajime Tachibana 1986-10-28
4613226 Developing head for electrophotographic apparatus Akinori Kimura 1986-09-23
4600291 Electro-photographic device with a processing head having multiple chambers Akira Yoda, Akinori Kimura, Isoji Takahashi 1986-07-15
4561769 Combined camera and viewer Takeshi Okano 1985-12-31
4544261 Charging and exposure section in an electrophotographic apparatus 1985-10-01
4521103 Electrophotographic reversal developing apparatus with control of developing electrode bias potential Yasuo Aotsuka, Eiichi Saito 1985-06-04
4518252 Method of recording pieces of image information of different kinds in electrophotography 1985-05-21
4436802 Reversal electrophotography developing method Yasuo Aotsuka 1984-03-13
4429323 Method of electrically contacting recording medium 1984-01-31
4367942 Xerographic copying machine 1983-01-11