Issued Patents All Time
Showing 25 most recent of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325779 | Cellulosic particle | Kenji Yao, Satomi KASHIWAGI, Shota MATOBA, Ayu NAITO, Kazusei YOSHIDA +6 more | 2025-06-10 |
| 12187861 | Cellulosic particle | Kenji Yao, Kazusei YOSHIDA, Ayu NAITO, Yuko IWADATE, Takahiro Ishizuka +3 more | 2025-01-07 |
| 12152960 | Failure diagnosis device for reduction gear, method of diagnosing failure, and mechanical apparatus provided with the failure diagnosis device | Shinji Kitamura, Makoto Kawai, Tetsuo KANEDA | 2024-11-26 |
| 12065547 | Cellulosic particle | Kenji Yao, Hideaki Yoshikawa, Masahiro OKI, Kazusei YOSHIDA, Ayu NAITO +3 more | 2024-08-20 |
| 12024618 | Resin particles | Masahiro OKI, Kenji Yao, Hideaki Yoshikawa, Kazusei YOSHIDA | 2024-07-02 |
| 11981033 | Device and method for diagnosing failure of speed reducer | Shinji Kitamura, Makoto Kawai, Tetsuo KANEDA | 2024-05-14 |
| 11879040 | Resin particles comprising a biodegradable resin and a specific amount of a metal element | Kazusei YOSHIDA, Masahiro OKI, Hideaki Yoshikawa, Kenji Yao | 2024-01-23 |
| 11732099 | Resin particles | Hideaki Yoshikawa, Kenji Yao, Masahiro OKI, Kazusei YOSHIDA | 2023-08-22 |
| 11385549 | Management method of managing processing apparatus by setting offset to reduce variance, management apparatus, computer readable medium, and article manufacturing method | — | 2022-07-12 |
| 10670983 | Toner set, white toner, and electrostatic charge image developer | Tomoaki Tanaka, Shinya Sakamoto, Ryutaro KEMBO | 2020-06-02 |
| 10254667 | Electrostatic charge image developing toner set, electrostatic charge image developer set, and toner cartridge set | Tomoaki Tanaka, Shinya Sakamoto, Ryutaro KEMBO | 2019-04-09 |
| 9726996 | White toner, white toner set, and colored toner set | Satoshi KAMIWAKI, Shotaro TAKAHASHI, Masaru Takahashi | 2017-08-08 |
| 9389527 | Inorganic particle, electrostatic charge image developing toner, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus | Eiji Kawakami | 2016-07-12 |
| RE45970 | Toner for electrostatic image development, toner cartridge, process cartridge and image forming apparatus | Motoko Sakai, Jun Igarashi, Masahiro Takagi | 2016-04-12 |
| 9239527 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Shinya Sakamoto, Kosaku YOSHIMURA, Satoshi Yoshida, Shinya Nakashima | 2016-01-19 |
| 9134636 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Satoshi Yoshida, Shinya Nakashima, Shinya Sakamoto, Kosaku YOSHIMURA, Emi Miyata | 2015-09-15 |
| 9116449 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Shinya Sakamoto, Satoshi Yoshida, Shinya Nakashima | 2015-08-25 |
| 8916321 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Eiji Kawakami, Hirokazu Hamano | 2014-12-23 |
| 8758967 | Transparent toner and toner image using the same, electrostatic latent image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Koji Sasaki, Masanobu Ninomiya, Atsushi Sugawara, Yukiaki NAKAMURA | 2014-06-24 |
| 8728693 | Toner for developing electrostatic image, method of producing toner, cartridge, image forming method, and image forming apparatus | Hirokazu Hamano, Asafumi FUJITA, Hiroshi Kamada, Masahiro Takagi | 2014-05-20 |
| 8708336 | Recording medium discharge device and image forming apparatus | — | 2014-04-29 |
| 8652727 | Transparent toner and toner image using the same, electrostatic latent image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Atsushi Sugawara, Masanobu Ninomiya, Yukiaki NAKAMURA, Koji Sasaki | 2014-02-18 |
| 8652726 | Toner for developing electrostatic image, method of producing toner, cartridge, image forming method, and image forming apparatus | Asafumi FUJITA, Hirokazu Hamano, Hiroshi Kamada, Masahiro Takagi | 2014-02-18 |
| 8580468 | Developer for electrostatic photography, process cartridge for image forming apparatus, image forming apparatus, and image forming method | Hirokazu Hamano, Masahiro Takagi, Tsuyoshi Murakami | 2013-11-12 |
| 8494404 | Image forming apparatus, image forming method, cleaning apparatus, and cleaning method | Masahiro Takagi, Hirokazu Hamano | 2013-07-23 |