Issued Patents All Time
Showing 1–25 of 46 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, Tohru Suganuma, Masashi Nagayama, Minoru Masuda +2 more | 2025-08-05 |
| 12372893 | Carrier, developer, image forming method, and process cartridge | Kaede Masuko, Tohru Suganuma, Minoru Masuda, Masashi Nagayama, Tomomi Suzuki +1 more | 2025-07-29 |
| 12306582 | Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge | Masashi Nagayama, Kousuke Suzuki, Masahiro Seki, Namie Suzuki | 2025-05-20 |
| 12147192 | Carrier for developing electrostatic latent image, two-component developer, image forming apparatus, process cartridge, and image forming method | Kousuke Suzuki, Tohru Suganuma, Minoru Masuda, Masashi Nagayama, Kento Takeuchi +1 more | 2024-11-19 |
| 12104932 | Encoder and drive device | Kou Ohno | 2024-10-01 |
| 11934145 | Developing apparatus, developer for electrophotographic image formation, electrophotographic image forming method, and electrophotographic image forming apparatus | Minoru Masuda, Tohru Suganuma, Masashi Nagayama, Kento Takeuchi, Kaede Masuko +3 more | 2024-03-19 |
| 11163098 | Optical filter and optical sensor device | Katsuya Nagaya, Daisuke SHIGEOKA, Masako Horiuchi | 2021-11-02 |
| 11106150 | Carrier, developer, method, and apparatus for forming electrophotographic image, and process cartridge | Masashi Nagayama, Masahiro Seki, Yoshimichi Ishikawa, Saori Yamada | 2021-08-31 |
| 10915035 | Carrier for developing electrostatic latent image, two-component developer, developer for replenishment, image forming device, process cartridge, and image forming method | Haruki Murata, Toyoaki Tano, Kenichi Mashiko, Masato Taikoji, Mariko Takii +1 more | 2021-02-09 |
| 10796701 | Operator assessment system | — | 2020-10-06 |
| 10254674 | Carrier for developer of electrostatic latent image, developer, and image forming apparatus | Masahiro Seki, Haruki Murata, Shinya Nakagawa, Kei Niwayama, Saori Yamada +1 more | 2019-04-09 |
| 10234783 | Carrier, developer, image forming apparatus, developer stored unit, and image forming method | Koichi Sakata, Tohru Suganuma, Shohichi Sugimoto, Hiroshi Tohmatsu, Kenichi Mashiko +1 more | 2019-03-19 |
| 10197948 | Developing device and image forming apparatus | Hitoshi Iwatsuki, Koichi Sakata, Hiroshi Tohmatsu, Toyoaki Tano, Kenichi Mashiko +5 more | 2019-02-05 |
| 10067438 | Electrostatic latent image developing white developer, image forming method, image forming apparatus, and process cartridge | Yoshihiro Murasawa, Hiroshi Tohmatsu, Hitoshi Iwatsuki, Mariko Takii, Koichi Sakata +2 more | 2018-09-04 |
| 10054868 | Carrier, two-component developer, developer for replenishment, process cartridge, image forming apparatus, and image forming method | Kenichi Mashiko, Mariko Takii, Yoshihiro Murasawa, Haruki Murata | 2018-08-21 |
| 9989874 | Carrier for developing electrostatic latent images, two-component developer, image forming apparatus, toner storing unit, and supplemental developer | Yoshihiro Murasawa, Toyoaki Tano, Masato Taikoji, Kenichi Mashiko, Mariko Takii +1 more | 2018-06-05 |
| 9946177 | Carrier, two-component developer, image forming apparatus, process cartridge, and image forming method | Yoshihiro Murasawa, Koichi Sakata, Masashi Nagayama, Toyoaki Tano | 2018-04-17 |
| 9823091 | Encoder system, signal processing method, and transmission signal generation and output device | Toru Morita, Yoshiji Takahashi | 2017-11-21 |
| 9791596 | Optical filter, and solid-state image pickup device and camera module using the optical filter | Katsuya Nagaya, Takashi Tsubouchi, Mitsuru Nakajima, Ran Mitsuboshi, Yukie Tanaka | 2017-10-17 |
| 9791606 | Optical filter, and solid-state image pickup device and camera module using the optical filter | Katsuya Nagaya, Takashi Tsubouchi, Mitsuru Nakajima, Ran Mitsuboshi, Yukie Tanaka | 2017-10-17 |
| 9746595 | Solid-state image capture element optical filter and application thereof | Katsuya Nagaya, Yukie Tanaka, Ran Mitsuboshi | 2017-08-29 |
| 9575213 | Optical filter, and solid-state image pickup device and camera module using the optical filter | Katsuya Nagaya, Takashi Tsubouchi, Mitsuru Nakajima, Ran Mitsuboshi, Yukie Tanaka | 2017-02-21 |
| 9519234 | Carrier, two-component developer, supplemental developer, image forming method, process cartridge and image forming apparatus | Shigenori Yaguchi, Hiroshi Tohmatsu, Koichi Sakata, Hitoshi Iwatsuki, Toyoaki Tano | 2016-12-13 |
| 9304427 | Carrier for developing an electrostatic latent image, developer and image forming apparatus | Hitoshi Iwatsuki, Shigenori Yaguchi, Toyoaki Tano, Mariko Takii, Koichi Sakata +1 more | 2016-04-05 |
| 9298119 | Carrier for two-component developer, two-component developer using the carrier, and image forming method and process cartridge using the two-component developer | Shigenori Yaguchi, Koichi Sakata, Hitoshi Iwatsuki, Toyoaki Tano, Kenichi Mashiko +1 more | 2016-03-29 |