TR

Takashi Rokutanzono

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
📍 Numazu, JP: #195 of 856 inventorsTop 25%
Overall (All Time): #583,896 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7408659 Server computer, information terminal, printing system, remote printing method, recording medium, and computer data signal embeded in a carrier wave Naohiro Toda, Shinji Nousyo, Tatsuya Niimi 2008-08-05
6558863 Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor Tamotsu Aruga, Tatsuya Niimi, Yoshiaki Kawasaki 2003-05-06
6300029 Electrophotographic image forming process and electrophotographic photoconductor 2001-10-09
5702855 Electrophotographic photoconductor containing a mixture of a phenol compound and an organic sulfur-containing compound Takaaki Ikegami, Eiji Kurimoto 1997-12-30
5578405 Electrophotographic photoconductor containing disazo and trisazo pigments Takaaki Ikegami, Eiji Kurimoto, Katsuichi Ohta, Masaomi Sasaki, Yasuo Suzuki +3 more 1996-11-26
5342718 Electrophotographic photoconductor with overlayer of polyol-curing polyurethane resin Shinji Nousho, Mitsuru Seto, Junichiro Hashimoto 1994-08-30
5147751 Electrophotographic photoconductor and electrophotographic copying process and apparatus using the photoconductor Narihito Kojima, Hiroshi Nagame, Mitsuru Seto, Shinji Nousho 1992-09-15
5008172 Electrophotographic photoconductor Yukio Ide, Hiroshi Nagame, Kohichi Ohshima, Narihito Kojima, Shinji Nousho 1991-04-16
4957839 Electrophotographic photoconductor having a silicone resin charge retention layer Yukio Ide, Hiroshi Nagame, Kouichi Ohshima, Narihito Kojima, Shinji Nosho 1990-09-18