YT

Yasufumi Takahashi

Ricoh Company: 42 patents #327 of 9,818Top 4%
PA Panasonic: 27 patents #613 of 21,108Top 3%
SC Sanyo Electric Co.: 11 patents #436 of 6,347Top 7%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
FU Fujifilm: 5 patents #1,507 of 4,519Top 35%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
FL Fujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
Overall (All Time): #17,541 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 26–50 of 91 patents

Patent #TitleCo-InventorsDate
9599934 Image forming apparatus having an angle adjuster for a tiltable support roller Yoshiki Hozumi, Naomi Sugimoto, Kazuchika Saeki, Naoki Iwaya, Masaharu Furuya 2017-03-21
9499361 Belt conveyor unit and image forming apparatus including same Naoki Iwaya, Masaharu Furuya, Yoshiki Hozumi 2016-11-22
9417565 Conveyor system and image forming apparatus including same Yoshiki Hozumi, Naoki Iwaya, Masaharu Furuya, Naomi Sugimoto, Kazuchika Saeki 2016-08-16
9395659 Image forming apparatus Shinya Tanaka, Hirokazu Ishii, Tsutomu Kato, Takehide Mizutani, Osamu Ichihashi +6 more 2016-07-19
D758482 Toner bottle Kunihiro Ohyama 2016-06-07
9346337 Air conditioning device for vehicle 2016-05-24
D757161 Toner container Kunihiro Ohyama 2016-05-24
9313869 Radiation image detection apparatus including photographic mode and irradiation detection mode with power saving control unit and radiation image photographing system including the same Naoto Iwakiri 2016-04-12
9291952 Belt assembly and image forming apparatus including same Yoshiki Hozumi, Naoki Iwaya, Masaharu Furuya, Naomi Sugimoto, Kazuchika Saeki 2016-03-22
9274461 Transfer device and image forming apparatus incorporating same Tsutomu Kato, Hirokazu Ishii, Takehide Mizutani, Shinya Tanaka, Osamu Ichihashi +1 more 2016-03-01
9256158 Apparatus and method for preventing an information storage device from falling from a removable device Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2016-02-09
9256165 Transfer device and image forming apparatus incorporating same Osamu Ichihashi, Yuji Kato, Junpei Fujita 2016-02-09
9250575 Belt assembly and image forming apparatus including same Yoshiki Hozumi, Naomi Sugimoto, Naoki Iwaya, Masaharu Furuya, Kazuchika Saeki 2016-02-02
9213272 Image forming apparatus including a holding member to hold a roller relative to a frame Osamu Ichihashi, Junpei Fujita 2015-12-15
9211778 Vehicle air conditioning device 2015-12-15
9201345 Image-forming apparatus, toner container and toner container installation structure Takeshi Uchitani, Kunihiro Ohyama, Masayuki Yamane 2015-12-01
9141039 Image forming apparatus including a cam member to separate a transfer member Yuji Kato, Ryuuichi Mimbu, Kenji Sengoku, Junpei Fujita, Osamu Ichihashi 2015-09-22
9134656 Image forming apparatus Takehide Mizutani, Hirokazu Ishii, Tsutomu Kato, Shinya Tanaka, Osamu Ichihashi +1 more 2015-09-15
9110402 Apparatus and method for preventing an information storage device from falling from a removable device Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2015-08-18
9104162 Conveyor system and image forming apparatus including same Yoshiki Hozumi, Naoki Iwaya, Masaharu Furuya, Naomi Sugimoto, Kazuchika Saeki 2015-08-11
9081327 Apparatus and method for preventing an information storage device from falling from a removable device Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2015-07-14
9069287 Apparatus and method for preventing an information storage device from falling from a removable device Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Tadashi Hayakawa, Takuji Takahashi +5 more 2015-06-30
9037042 Image forming apparatus Yuji Kato, Osamu Ichihashi 2015-05-19
9001972 Radiation image detection apparatus and radiation image photographing system Makoto Sugizaki, Naoto Iwakiri 2015-04-07
8985976 Two-stage rotary expander, expander-integrated compressor, and refrigeration cycle apparatus Atsuo Okaichi, Takeshi Ogata, Hidetoshi Taguchi, Takumi Hikichi, Masaru Matsui 2015-03-24