SO

Seiichi Ohseto

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
📍 Numazu, JP: #292 of 856 inventorsTop 35%
Overall (All Time): #1,062,554 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4975338 Thin film electroluminescence device Yoshiyuki Kageyama, Kenji Kameyama, Hiroshi Deguchi 1990-12-04
4727003 Electroluminescence device Hiroshi Kobayashi, Shosaku Tanaka 1988-02-23
4720436 Electroluminescence devices and method of fabricating the same Yoshiyuki Kageyama, Kenji Kameyama 1988-01-19
4601965 Photosensitive material for use in electrophotography Yukio Ide 1986-07-22
4529292 Electrophotographic reproduction process 1985-07-16