Ryoji Yabuki has been granted 6 US patents while listed as an inventor at Oki Data . The first was granted in 1995 and the most recent in October 2022. Ryoji Yabuki ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Ryoji Yabuki in Tokyo, JP.
Patents per Year Patents granted per year, 1995 to 2022 Bar chart with a peak of 1 patents in 1995. peak 1 1995: 1 patents 1995 2000: 1 patents 2000 2015: 1 patents 2015 2016: 1 patents 2016 2020: 1 patents 2020 2022: 1 patents 2022
Issued Patents All Time
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Showing 1–6 of 6 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11480899 Image formation apparatus with fixation device speed control — 2022-10-25
10761465 Fuser device having belt supporting part and image forming apparatus having the same Junichi Ito 2020-09-01
9329539 Fixing device including heating body and protector and image forming apparatus — 2016-05-03
9042749 Fixing device including heating body and overtemperature protector, image forming apparatus and fixing device heating unit therewith — 2015-05-26
6102512 Method of minimizing ink drop velocity variations in an on-demand multi-nozzle ink jet head Takuji Torii , Nobuhiro Noto , Kazuaki Akimoto , Shigenori Suematsu , Yoshitaka Akiyama 2000-08-15
$317,000
5436651 Ink jet printer having elastically deformable ink supply tube Takuji Torii , Syuichi Morio , Masayuki Ainoya , Kazunobu Hayashi , Takao Matsuoka +1 more 1995-07-25
$44,000