Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405543 | Toner | Hirofumi Kyuushima, Naoya Isono, Tomoya Nagaoka, Masao Suzuki | 2025-09-02 |
| 12386278 | Toner and method for producing toner | Yuna Yamamoto, Shohei Shibahara, Kenji Aoki, Tsutomu Shimano, Takashi Matsui | 2025-08-12 |
| 12346064 | Toner | Masashi Kawamura, Akane Masumoto, Kenji Ookubo, Taku Shimoda, Yu Yoshida | 2025-07-01 |
| 12242226 | Toner | Keisuke Adachi, Atsuhiko Ohmori, Tomoko Sugita | 2025-03-04 |
| 11714363 | Toner | Kenji Ookubo, Yu Yoshida, Takashi Kenmoku, Taku Shimoda, Masashi Kawamura +1 more | 2023-08-01 |
| 11274179 | Method for producing compound having amide bond and also having alkoxysilyl group | Masashi Kawamura, Kenji Ookubo, Taku Shimoda | 2022-03-15 |
| 11249412 | Toner | Masashi Kawamura, Kenji Ookubo, Taku Shimoda | 2022-02-15 |
| 11181845 | Toner | Taku Shimoda, Masashi Kawamura, Kenji Ookubo | 2021-11-23 |
| 10087328 | Compound having azo skeleton, pigment dispersant, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Yuki Tsujii, Waka Hasegawa, Ayano Mashida, Kosuke Mukumoto +4 more | 2018-10-02 |
| 9926450 | Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner | Masashi Kawamura, Yasuaki Murai, Kosuke Mukumoto, Yuki Tsujii, Ayano Mashida +4 more | 2018-03-27 |
| 9921501 | Toner and process for producing toner | Shinsuke Mochizuki, Kenichi Nakayama, Masashi Kawamura, Tsuneyoshi Tominaga, Kunihiko Nakamura +2 more | 2018-03-20 |
| 9857711 | Toner | Yu Yoshida, Masashi Kawamura, Yuhei Terui, Takeshi Sekiguchi | 2018-01-02 |
| 9834683 | Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner | Chiaki Nishiura, Yuki Tsujii, Yasuaki Murai, Waka Hasegawa, Masanori Seki +3 more | 2017-12-05 |
| 9829814 | Toner | Yu Yoshida, Yuhei Terui, Haruko Kubo, Masashi Kawamura, Yasuaki Murai | 2017-11-28 |
| 9777087 | Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner | Yasuaki Murai, Osamu Matsushita, Waka Hasegawa, Ayano Mashida, Kosuke Mukumoto +1 more | 2017-10-03 |
| 9715187 | Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production method | Kosuke Mukumoto, Yasuaki Murai, Yuki Hasegawa, Ayano Mashida, Waka Hasegawa +3 more | 2017-07-25 |
| 9625845 | Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner | Ayano Mashida, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Masashi Kawamura +4 more | 2017-04-18 |
| 9618867 | Pigment dispersion and toner | Yasuaki Murai, Waka Hasegawa, Masanori Seki, Chiaki Nishiura, Yuki Tsujii +2 more | 2017-04-11 |
| 9593243 | Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound | Yuki Tsujii, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Chiaki Nishiura +3 more | 2017-03-14 |
| 9556290 | Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production method | Chiaki Nishiura, Yuki Hasegawa, Ayano Mashida, Masashi Hirose, Waka Hasegawa +3 more | 2017-01-31 |
| 9505723 | Compound, dispersant and toner | Haruko Kubo, Suzuka Ueno, Junko Chizuwa, Tomoya Yamamoto, Hitoshi Itabashi +3 more | 2016-11-29 |
| 9470995 | Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound | Masanori Seki, Yuki Hasegawa, Waka Hasegawa, Masashi Kawamura, Taiki Watanabe +4 more | 2016-10-18 |
| 9298118 | Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner | Masashi Kawamura, Yasuaki Murai, Waka Hasegawa, Yuki Hasegawa, Taiki Watanabe +4 more | 2016-03-29 |
| 9249308 | Compound having bisazo dye skeleton, pigment composition containing the same, pigment dispersion, ink, and color filter resist composition | Yuki Hasegawa, Yasuaki Murai, Masatake Tanaka, Masashi Kawamura, Waka Hasegawa +1 more | 2016-02-02 |
| 9176407 | Toner and method for manufacturing toner particles | Yuki Hasegawa, Yasuaki Murai, Masatake Tanaka, Masashi Kawamura, Waka Hasegawa +1 more | 2015-11-03 |