YD

Yohei Doi

TK Toshiba Tec Kabushiki Kaisha: 31 patents #73 of 1,664Top 5%
KT Kabushiki Kaisha Toshiba: 13 patents #2,297 of 21,451Top 15%
Canon: 2 patents #12,681 of 19,416Top 70%
📍 Nanbu, JP: #51 of 1,154 inventorsTop 5%
Overall (All Time): #106,010 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
12393142 Image forming apparatus 2025-08-19
12172845 Cylindrical body and apparatus Tomonori Sato 2024-12-24
12124195 Image forming apparatus having a fixing unit and heating control method Eiji Shinohara, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki +4 more 2024-10-22
12124196 Image forming apparatus and image fixing method 2024-10-22
12055878 Heating device with a heat conductor including portions having different thicknesses Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kiyotaka Murakami +4 more 2024-08-06
11927901 Image forming apparatus 2024-03-12
11868067 Image forming apparatus and heating method Kiyotaka Murakami, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki +4 more 2024-01-09
11809108 Image forming apparatus and image fixing method 2023-11-07
11774887 Image forming apparatus having a fixing unit and heating control method Eiji Shinohara, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki +4 more 2023-10-03
11669033 Heating device with a heat conductor including portions having different thicknesses Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kiyotaka Murakami +4 more 2023-06-06
11415926 Fixing device and image forming apparatus 2022-08-16
11385579 Image forming apparatus 2022-07-12
11307522 Heating device with a heat conductor including portions having different thicknesses Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kiyotaka Murakami +4 more 2022-04-19
11281132 Image forming apparatus and heating method Kiyotaka Murakami, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki +4 more 2022-03-22
11275330 Image forming apparatus having a fixing unit and heating control method Eiji Shinohara, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki +4 more 2022-03-15
11150582 Image forming apparatus and image fixing method 2021-10-19
11106164 Heating device including a heat conductor having a surface with a groove Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki, Kiyotaka Murakami +4 more 2021-08-31
11073776 Image forming apparatus, image forming method and non-transitory recording medium Eiji Shinohara, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki +4 more 2021-07-27
10990044 Image forming apparatus having a fixing unit and heating control method Eiji Shinohara, Kazuhiko Kikuchi, Sasuke Endo, Masaya Tanaka, Ryota Saeki +4 more 2021-04-27
10981307 Manufacturing method of molded product, molded product, cartridge, and image forming apparatus Masaaki Udagawa, Daigo Kobayashi 2021-04-20
9975369 Power control device, power control method, and recording medium 2018-05-22
9592696 Power control device, power control method, and recording medium 2017-03-14
8620200 Image forming apparatus and control method 2013-12-31
8218991 Fixing device for image forming apparatus Hiroshi Nakayama, Tetsuo Kitamura, Osamu Takagi, Satoshi Kinouchi, Yoshinori Tsueda +4 more 2012-07-10
8099007 Fixing apparatus for image forming apparatus Yoshinori Tsueda, Osamu Takagi, Satoshi Kinouchi, Tetsuo Kitamura, Hiroshi Nakayama +4 more 2012-01-17