KN

Kazukiyo Nagai

Ricoh Company: 103 patents #35 of 9,818Top 1%
HC Hodogaya Chemical Co.: 12 patents #21 of 359Top 6%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
NC Nissin Chemical Industry Co.: 2 patents #21 of 83Top 30%
GC Goo Chemical Co.: 1 patents #20 of 39Top 55%
Overall (All Time): #12,723 of 4,157,543Top 1%
107
Patents All Time

Issued Patents All Time

Showing 76–100 of 107 patents

Patent #TitleCo-InventorsDate
6486293 Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor Kohkoku Ri, Masaomi Sasaki, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka 2002-11-26
6444387 Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptor Kohkoku Ri, Masaomi Sasaki, Shinichi Kawamura 2002-09-03
6316577 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Tomoyuki Shimada, Masaomi Sasaki, Masafumi Ohta, Akihiro Imai, Mitsutoshi Anzai +2 more 2001-11-13
6303736 Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor Shinichi Kawamura, Masaomi Sasaki, Chiaki Tanaka, Kohkoku Ri, Susumu Suzuka +1 more 2001-10-16
6210848 Electrophotographic photoconductor, and process cartridge and image forming apparatus using the same Tetsuro Suzuki, Masaomi Sasaki, Kohkoku Ri, Shinichi Kawamura 2001-04-03
6191249 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chiaki Tanaka, Nozomu Tamoto, Masaomi Sasaki, Tomoyuki Shimada, Chihaya Adachi +3 more 2001-02-20
6187494 Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor Shinichi Kawamura, Masaomi Sasaki, Chiaki Tanaka, Kohkoku Ri, Susumu Suzuka +1 more 2001-02-13
6187492 Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor Kohkoku Ri, Masaomi Sasaki, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka 2001-02-13
6069224 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chihaya Adachi, Masaomi Sasaki, Tomoyuki Shimada, Chiaki Tanaka, Nozomu Tamoto +4 more 2000-05-30
6027846 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Tomoyuki Shimada, Masaomi Sasaki, Masafumi Ohta, Akihiro Imai, Mitsutoshi Anzai +2 more 2000-02-22
6018014 Aromatic polycarbonate and electrophotographic photosensitive medium using same Masaomi Sasaki, Hiroshi Tamura, Tetsuro Suzuki, Tomoyuki Shimada, Chihaya Adachi +6 more 2000-01-25
5959018 RTV organopolysiloxane compositions Masatoshi Miyake, Takafumi Sakamoto, Hironao Fujiki 1999-09-28
5942363 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chiaki Tanaka, Nozomu Tamoto, Masaomi Sasaki, Tomoyuki Shimada, Chihaya Adachi +3 more 1999-08-24
5932362 Organic electroluminescent element Chihaya Adachi, Nozomu Tamoto, Yohta Sakon 1999-08-03
5910561 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chihaya Adachi, Masaomi Sasaki, Tomoyuki Shimada, Chiaki Tanaka, Nozomu Tamoto +4 more 1999-06-08
5846680 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chihaya Adachi, Masaomi Sasaki, Tomoyuki Shimada, Chiaki Tanaka, Nozomu Tamoto +4 more 1998-12-08
5840454 Aromatic polycarbonate and electrophotographic photosensitive medium using same Masaomi Sasaki, Hiroshi Tamura, Tetsuro Suzuki, Tomoyuki Shimada, Chihaya Adachi +6 more 1998-11-24
5789128 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Chihaya Adachi, Masaomi Sasaki, Tomoyuki Shimada, Chiaki Tanaka, Nozomu Tamoto +4 more 1998-08-04
5723243 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada, Tetsuro Suzuki, Chiaki Tanaka +6 more 1998-03-03
5709959 Organic thin film electroluminescence device Chihaya Adachi, Nozomu Tamoto 1998-01-20
5702833 Organic electroluminescent element Chihaya Adachi, Nozomu Tamoto, Yohta Sakon 1997-12-30
5656401 Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds Masafumi Ohta, Yohta Sakon, Toshihiko Takahashi, Chihaya Adachi 1997-08-12
5610309 Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds Masafumi Ohta, Yohta Sakon, Toshihiko Takahashi, Chihaya Adachi 1997-03-11
5597925 Method of producing oxadiazole compounds Masafumi Ohta, Yohta Sakon, Toshihiko Takahashi, Chihaya Adachi 1997-01-28
5530063 Room temperature curable organopolysiloxane composition Tsuneo Kimura, Masatoshi Arai 1996-06-25