Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311082 | Information processing system, non-transitory computer readable medium, and booth | Shu Watanabe, Kunichi Yamashita, Kengo TOKUCHI, Masamichi Kimura, Kota Nakayama | 2025-05-27 |
| 11629515 | Booth | Shu Watanabe, Kunichi Yamashita, Masamichi Kimura, Shigenaga FUJIMURA | 2023-04-18 |
| 11542701 | Booth | Shu Watanabe, Kunichi Yamashita, Akira Takahashi, Yoshihiro SHIBANAI | 2023-01-03 |
| 10975564 | Booth and kit thereof | Shu Watanabe, Kunichi Yamashita, Akira Takahashi, Yoshihiro SHIBANAI | 2021-04-13 |
| 8854723 | Display medium and display device | Mamoru Fujita, Hideo Kobayashi, Masaaki Araki, Takehito Hikichi, Motohiko Sakamaki | 2014-10-07 |
| 8760388 | Display medium, method of producing display medium, and display device | Naoki Hiji, Yasufumi Suwabe | 2014-06-24 |
| 8676093 | Developing device, image carrier unit and image forming apparatus | Takashi Sakamoto, Kei Hirata, Naoya Iwata | 2014-03-18 |
| 8630034 | Display medium and display device | Hideo Kobayashi, Masaaki Araki, Takehito Hikichi, Mamoru Fujita, Motohiko Sakamaki | 2014-01-14 |
| 8526101 | Method of manufacturing display medium, display medium, and display apparatus | Hideo Kobayashi, Takehito Hikichi, Masaaki Araki, Mamoru Fujita, Motohiko Sakamaki | 2013-09-03 |
| 8170447 | Image forming apparatus, developing apparatus and contact-retracting method | Keisuke Kubo, Kei Hirata, Tomio Onuki, Takeshi Okoshi, Toshikazu Tsumita +5 more | 2012-05-01 |
| 8135312 | Development apparatus and image forming apparatus | Hirohisa Kohno, Kazunori Koshimori, Kei Hirata, Naoya Iwata, Keisuke Kubo +5 more | 2012-03-13 |
| 7835656 | Developing device and image forming apparatus which can detect a concentration of a developer | Naoya Iwata, Takashi Sakamoto, Kei Hirata | 2010-11-16 |
| 7835672 | Developing device, image carrier unit and image forming apparatus | Takashi Sakamoto, Kei Hirata, Naoya Iwata | 2010-11-16 |
| 7509080 | Developing unit with developer opening/closing member | Naoya Iwata, Tomoyoshi Chihara, Tetsuji Okamoto | 2009-03-24 |