Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379678 | Carrier for forming electrophotographic image, developer, image forming method, image forming apparatus, and process cartridge | Namie Suzuki, Kousuke Suzuki, Masashi Nagayama, Minoru Masuda, Hiroyuki Kishida +2 more | 2025-08-05 |
| 12372893 | Carrier, developer, image forming method, and process cartridge | Kaede Masuko, Minoru Masuda, Masashi Nagayama, Hiroyuki Kishida, Tomomi Suzuki +1 more | 2025-07-29 |
| 12147192 | Carrier for developing electrostatic latent image, two-component developer, image forming apparatus, process cartridge, and image forming method | Hiroyuki Kishida, Kousuke Suzuki, Minoru Masuda, Masashi Nagayama, Kento Takeuchi +1 more | 2024-11-19 |
| 12105472 | Carrier for forming electrophotographic image, developing agent for forming electrophotographic image, method of forming electrophotographic image, electrophotographic image forming apparatus, and process cartridge | Kento Takeuchi, Masashi Nagayama, Tomomi Suzuki | 2024-10-01 |
| 11934145 | Developing apparatus, developer for electrophotographic image formation, electrophotographic image forming method, and electrophotographic image forming apparatus | Minoru Masuda, Masashi Nagayama, Hiroyuki Kishida, Kento Takeuchi, Kaede Masuko +3 more | 2024-03-19 |
| 10474051 | Carrier for developer of electrostatic latent image, two-component developer, replenishing developer, image forming apparatus, and toner stored unit | Mariko Takii, Koichi Sakata, Masahiro Seki, Masashi Nagayama, Shinya Nakagawa +1 more | 2019-11-12 |
| 10444651 | Carrier, developer, supplemental developer, image forming apparatus, image forming method, and process cartridge | Mariko Takii, Koichi Sakata, Masahiro Seki, Masashi Nagayama, Toyoaki Tano +1 more | 2019-10-15 |
| 10234783 | Carrier, developer, image forming apparatus, developer stored unit, and image forming method | Koichi Sakata, Shohichi Sugimoto, Hiroshi Tohmatsu, Hiroyuki Kishida, Kenichi Mashiko +1 more | 2019-03-19 |
| 10025214 | Carrier, developing agent, image forming apparatus, image forming method, replenishment toner, and process cartridge | Masashi Nagayama, Mariko Takii, Yoshihiro Murasawa, Haruki Murata, Kei Niwayama +4 more | 2018-07-17 |
| 8012662 | Method of manufacturing toner | — | 2011-09-06 |
| 7438245 | Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner | Masahiro Kawamoto, Kohta Wakimoto, Kohji Kubota, Mamoru Kawaguchi, Yoshiyuki Okegawa +11 more | 2008-10-21 |
| 7318990 | Toner, developer, image forming method, image forming apparatus and toner manufacturing method | Nobuyasu Makino, Masakazu Nakada, Fumitoshi Murakami | 2008-01-15 |
| 6319646 | Carrier for electrophotographic developer, method for manufacturing, developer, container including the developer, and image forming apparatus using the developer wherein the carrier satisfies the relationship 1.0.ltoreq.C2/C1.ltoreq.1.3 | — | 2001-11-20 |
| 5652079 | Carrier for dry two-component developer and method of producing the same | Satoshi Mochizuki, Fumihiro Sasaki, Hidefumi Gohhara, Norio Yokoyama, Yutaka Sakai +3 more | 1997-07-29 |