NK

Narihito Kojima

Ricoh Company: 36 patents #442 of 9,818Top 5%
SL Semiconductor Energy Laboratory: 3 patents #754 of 1,113Top 70%
📍 Numazu, JP: #33 of 856 inventorsTop 4%
Overall (All Time): #94,969 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
5540815 Method of recycling an image carrying medium and an image separating member therefor Masato Igarashi, Toshiyuki Kawanishi, Eiichi Kawamura 1996-07-30
5525447 Electrophotographic photoconductor Hiroshi Ikuno, Hiroshi Nagame, Shunpei Yamazaki, Shigenori Hayashi 1996-06-11
5452061 Image formation apparatus Hiroshi Nagame, Hiroshi Ikuno 1995-09-19
5390015 Carrier removal in an electrophotographic image formation method Hiroshi Nagame 1995-02-14
5264903 Cleaning unit with a cleaning member made of activated carbon fibers Hiroshi Nagame 1993-11-23
5147751 Electrophotographic photoconductor and electrophotographic copying process and apparatus using the photoconductor Hiroshi Nagame, Mitsuru Seto, Takashi Rokutanzono, Shinji Nousho 1992-09-15
5080947 Information recording medium Katsuyuki Yamada, Yukio Ide, Makoto Harigaya, Hiroko Iwasaki 1992-01-14
5059502 Electrophotographic photoconductor Hiroshi Nagame, Mitsuru Seto, Shunpei Yamazaki, Shigenori Hayashi, Noriya Ishida +3 more 1991-10-22
5008172 Electrophotographic photoconductor Takashi Rokutanzono, Yukio Ide, Hiroshi Nagame, Kohichi Ohshima, Shinji Nousho 1991-04-16
4957839 Electrophotographic photoconductor having a silicone resin charge retention layer Takashi Rokutanzono, Yukio Ide, Hiroshi Nagame, Kouichi Ohshima, Shinji Nosho 1990-09-18
4702979 Method of forming image Satoshi Otomura 1987-10-27