Issued Patents All Time
Showing 1–25 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181836 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Yosuke Tsurumi, Takuro Watanabe, Kazutsuna SASAKI, Karin SAKAI | 2024-12-31 |
| 12174583 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Kazutsuna SASAKI, Yosuke Tsurumi, Karin SAKAI | 2024-12-24 |
| 12169390 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Takuro Watanabe, Karin SAKAI, Kazutsuna SASAKI, Yosuke Tsurumi | 2024-12-17 |
| 12153377 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Karin SAKAI, Kazutsuna SASAKI, Yosuke Tsurumi, Takuro Watanabe | 2024-11-26 |
| 11982975 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Yosuke Tsurumi, Takuro Watanabe | 2024-05-14 |
| 11960243 | Electrostatic image developer, process cartridge, image forming apparatus, and image forming method | Kazutsuna SASAKI, Takuro Watanabe, Karin SAKAI | 2024-04-16 |
| 11747744 | Electrostatic charge image developing carrier, electrostatic charge image developer, and image forming apparatus | Jumpei IWASAKI, Shintaro Anno, Kazutsuna SASAKI, Satoshi Miura | 2023-09-05 |
| 11561483 | Electrostatic charge image developing carrier, electrostatic charge image developer, and image forming apparatus | Kazutsuna SASAKI, Shintaro Anno, Satoshi Miura, Jumpei IWASAKI | 2023-01-24 |
| 11556071 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Kazutsuna SASAKI, Yosuke Tsurumi, Karin SAKAI | 2023-01-17 |
| 11181847 | Carrier for electrostatic image development, electrostatic image developer, and process cartridge | Shintaro Anno, Takuro Watanabe, Yasuaki Hashimoto, Kazutsuna SASAKI, Jumpei IWASAKI | 2021-11-23 |
| 10908523 | Toner and toner set | Atsushi Sugawara, Satoshi Miura, Akira Matsumoto, Sakiko HIRAI | 2021-02-02 |
| 10807058 | Silica-titania composite aerogel particle, photocatalyst-forming composition, and photocatalyst | Yuka ZENITANI, Hiroyoshi Okuno, Hideaki Yoshikawa, Yasunobu KASHIMA, Takeshi Iwanaga +2 more | 2020-10-20 |
| 10807070 | Silica titania composite aerogel particle, photocatalyst forming composition, and photocatalyst | Yasunobu KASHIMA, Hideaki Yoshikawa, Takeshi Iwanaga, Shunsuke NOZAKI, Sakae TAKEUCHI +2 more | 2020-10-20 |
| 10761444 | Electrostatic charge image development toner and electrostatic charge image developer | Atsushi Sugawara, Daisuke Tomita, Sakiko HIRAI, Satoshi Miura | 2020-09-01 |
| 10754269 | Electrostatic-image developing toner, electrostatic-image developer, and toner cartridge | Daisuke Tomita, Atsushi Sugawara | 2020-08-25 |
| 10732532 | Electrostatic image developing toner, electrostatic image developer, and toner cartridge | Atsushi Sugawara, Daisuke Tomita | 2020-08-04 |
| 10719022 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Atsushi Sugawara, Daisuke Tomita, Sakiko HIRAI, Satoshi Miura, Akira Matsumoto | 2020-07-21 |
| 10656546 | Electrostatic-image developing toner, electrostatic-image developer, and toner cartridge | Daisuke Tomita, Atsushi Sugawara | 2020-05-19 |
| 10570020 | Silica particle and method of preparing silica particle | Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka ZENITANI +5 more | 2020-02-25 |
| 10563018 | Titanium oxide aerogel particle, photocatalyst-forming composition, and photocatalyst | Hideaki Yoshikawa, Hiroyoshi Okuno, Yasunobu KASHIMA, Takeshi Iwanaga, Sakae TAKEUCHI +2 more | 2020-02-18 |
| 10538434 | Titanium oxide aerogel particle, photocatalyst forming composition, and photocatalyst | Sakae TAKEUCHI, Hiroyoshi Okuno, Hideaki Yoshikawa, Yasunobu KASHIMA, Takeshi Iwanaga +2 more | 2020-01-21 |
| 10423088 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Atsushi Sugawara, Sakiko HIRAI, Daisuke Tomita, Satoshi Miura | 2019-09-24 |
| 10197933 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Shinya Nakashima, Akira Matsumoto, Yukiaki NAKAMURA, Satoshi Miura | 2019-02-05 |
| 10100176 | Resin particle composition | Sakae TAKEUCHI, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima +5 more | 2018-10-16 |
| 10081718 | Resin particle composition | Sakae TAKEUCHI, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima +5 more | 2018-09-25 |