SY

Shuji Yokoyama

TK Toshiba Tec Kabushiki Kaisha: 35 patents #56 of 1,664Top 4%
KT Kabushiki Kaisha Toshiba: 20 patents #1,460 of 21,451Top 7%
UI Ube Industries: 6 patents #200 of 1,686Top 15%
SC Sansha Electric Manufacturing Co.: 4 patents #21 of 93Top 25%
KC Kawasaki Kasei Chemicals: 3 patents #10 of 63Top 20%
Overall (All Time): #57,677 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 25 most recent of 48 patents

Patent #TitleCo-InventorsDate
12427791 Label printer 2025-09-30
12311684 Printer device and printer device control method 2025-05-27
12147178 Heating device and image processing apparatus 2024-11-19
11681249 Heating device and heat generating member 2023-06-20
11579549 Heating device and image processing apparatus 2023-02-14
11420928 Polymer photopolymerization sensitizer Akihiko Yamada, Shigeaki Numata, Tatsuki Takeuchi 2022-08-23
11347167 Fixing device and image forming device 2022-05-31
11340542 Fixing device and image forming apparatus 2022-05-24
11334011 Heating device for an image forming unit of an image forming apparatus 2022-05-17
11300909 Heating device and heat generating member 2022-04-12
11149103 Photopolymerization sensitizer composition and photopolymerizable composition comprising the same Shigeaki Numata, Yasuaki Miki, Akihiko Yamada 2021-10-19
10935912 Heating device having first and second heat transfer units for an image forming unit 2021-03-02
10915044 Fixing device and image forming device 2021-02-09
10845757 Image processing apparatus having cooling duct Yuki Kawashima, Masaya Tanaka 2020-11-24
10824099 Fixing device and image forming apparatus 2020-11-03
10656571 Fixing device and image forming device 2020-05-19
10627754 Fixing device and image forming apparatus 2020-04-21
10571836 Fixing apparatus 2020-02-25
10570227 Photopolymerizable composition Shigeaki Numata, Yasuaki Miki, Akihiko Yamada 2020-02-25
10216127 Fixing apparatus 2019-02-26
10152005 Fixing device and image forming apparatus Yuki Kawashima 2018-12-11
10025238 Fixing apparatus that controls current for driving an induction heater Yuki Kawashima 2018-07-17
10012934 Fixation device that heats a fixation belt by an electromagnetic induction heating method 2018-07-03
9971287 Fixing device comprising a magnetic shunt alloy and image forming apparatus 2018-05-15
9851665 Fixation device that heats a fixation belt by an electromagnetic induction heating method 2017-12-26