TI

Takafumi Iwamoto

Ricoh Company: 12 patents #1,888 of 9,818Top 20%
KU Kyoto University: 2 patents #286 of 1,688Top 20%
FC Fukuda Metal Foil & Powder Co.: 1 patents #50 of 95Top 55%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
NT Ntn: 1 patents #814 of 1,364Top 60%
Overall (All Time): #312,615 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12017249 Method for forming coating film on constant velocity universal joint Kazuhiko Yoshida, Masato Chokyu, Shintaro Suzuki, Hiromi Hayashi 2024-06-25
9298113 Electrophotographic photoconductor, image forming apparatus, and process cartridge Toshihiro Ishida, Hiroshi Ikuno, Tetsuya Toshine, Naohiro Toda, Kazuhiro Egawa 2016-03-29
9122183 Electrophotographic photoreceptor, image forming apparatus and process cartridge Tetsuya Toshine, Hiroshi Ikuno, Naohiro Toda, Kazuhiro Egawa, Toshihiro Ishida 2015-09-01
8867960 Image forming apparatus and process cartridge Naohiro Toda, Toshihiro Ishida, Tetsuya Toshine, Yohta Sakon, Masahiro Ohmori 2014-10-21
8637216 Electrophotographic photoreceptor, image forming apparatus and process cartridge for image forming apparatus Naohiro Toda, Chieko Yamazaki 2014-01-28
8617778 Image bearing member, image forming apparatus, and process cartridge Naohiro Toda 2013-12-31
8568945 Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the photoreceptor Hiromi Tada, Naohiro Toda, Yuuji Tanaka, Norio Nagayama, Yoshinori Inaba 2013-10-29
8535862 Electrophotographic photoreceptor, image forming apparatus, and process cartridge Naohiro Toda 2013-09-17
8518618 Electrophotographic photoconductor, image forming apparatus, and process cartridge Naohiro Toda, Yoshitaka Uenoyama, Hidetoshi Ono 2013-08-27
8512436 Metal fine particles and manufacturing method therefor Mitsuo Kawasaki, Osamu Kajita, Ayu Onishi, Sachiko Masuoka, Eitaro Yasuda 2013-08-20
8273149 Method for producing nanometer-size wires and nanometer-size wire Yasuhiko Shimotsuma, Kiyotaka Miura, Kazuyuki Hirao, Mitsuo Kawasaki, Osamu Kajita +2 more 2012-09-25
8178266 Electrophotographic photoreceptor, image forming apparatus using the electrophotographic photoreceptor, and method of producing electrophotographic photoreceptor Hiromi Tada, Nozomu Tamoto, Tomoyuki Shimada 2012-05-15
8148038 Image bearing member, process cartridge, image forming apparatus and method of forming image bearing member Yukio Fujiwara, Tetsuro Suzuki, Hiroshi Tamura, Hiroshi Ikuno, Hidetoshi Kami 2012-04-03
8119317 Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor Hidetoshi Kami, Tetsuro Suzuki, Hiroshi Tamura, Hiroshi Ikuno, Yukio Fujiwara 2012-02-21
8084170 Electrophotographic photoconductor, electrophotographic process cartridge containing the same and electrophotographic apparatus containing the same Hidetoshi Kami, Tetsuro Suzuki, Hiroshi Tamura, Hiroshi Ikuno, Yukio Fujiwara 2011-12-27