HT

Hiroaki Takagi

Ricoh Company: 30 patents #620 of 9,818Top 7%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
FL Fujitsu Semiconductor Limited: 3 patents #229 of 1,301Top 20%
OM Omron: 3 patents #980 of 3,089Top 35%
HC Higeta Shoyu Co.: 2 patents #7 of 22Top 35%
SO Socionext: 2 patents #127 of 541Top 25%
KS Komatsu Shisakusho: 2 patents #235 of 885Top 30%
TC Tamagawa Seiki Co.: 1 patents #41 of 88Top 50%
NT Ntn: 1 patents #814 of 1,364Top 60%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
PE Pentax: 1 patents #515 of 761Top 70%
Overall (All Time): #61,326 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
9879733 Power transmission device and image forming apparatus including same Naoyuki Suido, Keisuke Shimizu, Kimiharu Yamazaki 2018-01-30
9581953 Rotary drive device and image forming apparatus Naoyuki Suido, Keisuke Shimizu, Kimiharu Yamazaki, Tadahiro Satoh 2017-02-28
9494906 Driving force transmission device and image forming apparatus using the same Kimiharu Yamazaki, Keisuke Shimizu, Naoyuki Suido 2016-11-15
9367018 Image forming device having tripod type constant-velocity joint for coupling rotary member with driving source Hiroshi Yanagawa, Kazuo Hirose, Junichi Ichikawa 2016-06-14
9261185 Drive transmission mechanism and image forming apparatus including same 2016-02-16
9065717 Receiver and synchronization correcting method Masataka Umeda, Naoto Adachi 2015-06-23
9046163 Transmission device, driving assembly including the transmission device, and image forming apparatus including the driving assembly 2015-06-02
9036724 Data signal correction circuit, receiver, and data signal correction method Masataka Umeda, Naoto Adachi 2015-05-19
8897672 Image forming apparatus capable of suppressing belt walk 2014-11-25
8744016 Receiving apparatus and receiving method Naoto Adachi, Masataka Umeda 2014-06-03
8639174 To-be-transferred object length measurement device and image forming apparatus and computer-readable storage medium Masahiro Ashikawa, Tatsuya Watahiki, Minoru Takahashi, Hideyuki Takayama, Takahisa Koike +6 more 2014-01-28
8406665 Belt driving device and image forming apparatus using the same Yuichi Hirose, Takuro Kamiya, Junya Takigawa 2013-03-26
8351830 Belt conveying device and image forming apparatus Koichi Kudo, Hideaki Kibune, Takuro Kamiya, Junya Takigawa, Yuichi Hirose +2 more 2013-01-08
7557667 Angular rate sensor Toshinobu Hosokawa, Kazuhiro Ota, Hiroshi Tanaka, Masanori Yachi 2009-07-07
5274413 Mount assembly of optical devices Katsuhiko Nomura, Kenichi Sakata, Misao Ishikawa, Yasuo Nihei 1993-12-28
5174168 Flexible robot arm Yozo Nishi 1992-12-29
5031191 Spread spectrum signal demodulation circuit Tatsuo Hiramatsu 1991-07-09
4977790 Flexible arm Yozo Nishi 1990-12-18
4946789 Bacillus brevis strains and application thereof Shigezo Udaka, Kiyoshi Kadowaki 1990-08-07
4837313 Polygalactosamine PF-192 and salts thereof Jun Tamura 1989-06-06
4827328 Hybrid IC device Takashi Ozawa, Ichiro Munakata, Ryoichi Kozaki 1989-05-02