Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287592 | Image forming method and image forming system | Kazumi OURA, Masaharu Matsubara, Koji Shibata, Akihiko Itami, Makoto Nomiya +1 more | 2025-04-29 |
| 11860570 | Toner set and image forming method | Yusuke TAKIGAURA, Takaki Kawamura, Ami MOTOHASHI, Natsuki Ito, Shiro Hirano | 2024-01-02 |
| 10901333 | Electrostatic image developing toner | Kouji Sugama, Anju Hori, Noboru Ueda | 2021-01-26 |
| 10353309 | Electrostatic image developing toner | Kouji Sugama, Anju Hori, Noboru Ueda | 2019-07-16 |
| 10308604 | Method for producing pyrrole derivative, and intermediate thereof | Masashi Watanabe, Noritada Sato | 2019-06-04 |
| 10133200 | Electrostatic image developing toner | Kouji Sugama, Anju Hori, Noboru Ueda | 2018-11-20 |
| 10005725 | Method for producing pyrrole derivative, and intermediate thereof | Masashi Watanabe, Noritada Sato | 2018-06-26 |
| 9776961 | Crystal of pyrrole derivative and method for producing the same | Masashi Watanabe, Takahiro Okachi, Michiaki Kawahara, Noritada Sato, Takashi Takita +1 more | 2017-10-03 |
| 9765025 | Method for producing pyrrole derivative, and intermediate thereof | Masashi Watanabe, Noritada Sato | 2017-09-19 |
| 9676713 | Crystal of pyrrole derivative and method for producing the same | Masashi Watanabe, Takahiro Okachi, Michiaki Kawahara, Noritada Sato, Takashi Takita +1 more | 2017-06-13 |
| 9605973 | Electronic guide system, contents server for electronic guide system, portable electronic guide device, and information processing method for electronic guide system | Naoshi Kobuya, Toru Masano, Motoya Itako, Atsushi Noda | 2017-03-28 |
| 9568848 | Electrostatic image developing toner | Noboru Ueda, Kouji Sugama, Anju Hori, Keisuke Asano | 2017-02-14 |
| 9499483 | Crystal of pyrrole derivative and method for producing the same | Masashi Watanabe, Takahiro Okachi, Michiaki Kawahara, Noritada Sato, Takashi Takita +1 more | 2016-11-22 |
| 9423712 | Toner for electrostatic image development | Kouji Sugama, Anju Hori, Junya Onishi, Noboru Ueda | 2016-08-23 |
| 9256146 | Toner for electrostatic image development | Takaki Kawamura, Kaori Matsushima, Masahiro Matsuoka, Aya Shirai, Taiki Amemiya | 2016-02-09 |
| 9217942 | Toner for electrostatic image development | Aya Shirai, Kaori Matsushima, Masahiro Matsuoka, Takaki Kawamura, Taiki Amemiya | 2015-12-22 |
| 9188892 | Electrostatic latent image developing toner and electrophotographic image forming method | Koji Shibata, Kouji Sugama, Takaki Kawamura, Okushi Okuyama | 2015-11-17 |
| 9017911 | Electrophotographic toner | Mikio Kouyama, Yasuhiko Muramatsu, Kenji Hayashi, Hiroaki Obata, Noriyuki Kimpara | 2015-04-28 |
| 8972186 | Electronic guide system, contents server for electronic guide system, portable electronic guide device, and information processing method for electronic guide system | Naoshi Kobuya, Toru Masano, Motoya Itako, Atsushi Noda | 2015-03-03 |
| 8916323 | Toner for electrostatic image development | Kouji Sugama, Hiroyuki Konno, Takako Kawamura | 2014-12-23 |
| 8871415 | Toner for electrostatic image development | Kouji Sugama, Hiroyuki Konno, Takaki Kawamura | 2014-10-28 |
| 8859178 | Toner for electrostatic image development | Takaki Kawamura, Kouji Sugama, Hiroyuki Konno | 2014-10-14 |
| 8771915 | Image forming method | Noboru Ueda, Anju Hori | 2014-07-08 |
| 8748073 | Toner, manufacturing method thereof and image forming method | Ken Ohmura | 2014-06-10 |
| 8741523 | Toner for developing electrostatic image and manufacturing method thereof | Anju Hori, Noboru Ueda | 2014-06-03 |