RA

Ryuichi Araki

Canon: 14 patents #4,747 of 19,416Top 25%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #263,732 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12265061 Recording material detection device, image forming apparatus, and ultrasonic emission device Masafumi Monde, Junya Azami, Hiromitsu Kumada, Mayumi Sakai 2025-04-01
12116235 Sheet property measurement device and image forming apparatus including sheet property measurement device 2024-10-15
11630408 Apparatus and method for adjusting output value of optical sensor having light-receiving element that receives regularly-reflected light and diffusely-reflected light 2023-04-18
11614695 Image forming apparatus and optical sensor 2023-03-28
11126104 Image forming apparatus and optical sensor with multiple light-receiving and light-emitting elements 2021-09-21
10939017 Image forming apparatus 2021-03-02
10295924 Image forming apparatus having controller for switching thresholds for deciding amount of color misregistration 2019-05-21
10241434 Image forming apparatus and position detection method Kazuhisa Koizumi 2019-03-26
10095171 Image forming apparatus Yasuhito Shirafuji, Naoka Omura 2018-10-09
10031459 Image forming apparatus for correcting color misregistration Koichiro Ino 2018-07-24
9955040 Image forming apparatus 2018-04-24
9930214 Correction method for image forming apparatus Yasutomo Furuta, Izuru Horiuchi 2018-03-27
9860422 Correction method for image forming apparatus Izuru Horiuchi, Yasutomo Furuta 2018-01-02
9794445 Image forming apparatus 2017-10-17
8901999 Audio-output amplifier circuit for audio device, audio device, electronic device including audio device, and output control method for audio device 2014-12-02
8514017 Variable gain amplifier and audio device 2013-08-20
7465217 CMP conditioner, method for arranging hard abrasive grains for use in CMP conditioner, and process for producing CMP conditioner Toshiya Kinoshita, Eiji Hashino, Setsuo Sato 2008-12-16