Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10889916 | Cellulose acetate fiber, cellulose acetate fiber molded article, and methods respectively for producing said cellulose acetate fiber and said cellulose acetate fiber molded article | Shu Shimamoto, Hiroki Taniguchi, Toshikazu Nakamura | 2021-01-12 |
| 9595366 | Conductive cellulose-based resin composition | Toshikazu Nakamura, Shu Shimamoto | 2017-03-14 |
| 9543057 | Conductive cellulose-based resin composition | Toshikazu Nakamura, Shu Shimamoto, Hiroki Taniguchi | 2017-01-10 |
| 9323179 | Developing unit and image forming apparatus | Tamotsu Shimizu, Takefumi Yotsutsuji, Akifumi Yamaguchi | 2016-04-26 |
| 9310718 | Development device and image forming apparatus including the same | Tamotsu Shimizu, Takefumi Yotsutsuji, Akifumi Yamaguchi | 2016-04-12 |
| 9304445 | Developing roller, developing device, image forming apparatus, and manufacturing method of developing roller | Masashi Fujishima, Yuji Kamiyama, Tamotsu Shimizu, Sakae Saito, Yasuhiro Oishi | 2016-04-05 |
| 9274453 | Developing roller, developing device, and image forming apparatus including developing device | Yasuhiro Oishi, Yuji Kamiyama, Akihiro Watanabe, Tamotsu Shimizu, Yoshinobu Yoneima +1 more | 2016-03-01 |
| 9235162 | Developer storage container and image forming apparatus with same | Ikuo Makie, Kenichi Tamaki, Minoru Wada, Tamotsu Shimizu | 2016-01-12 |
| 9201349 | Developing device, image forming apparatus | Tamotsu Shimizu, Yuji Kamiyama, Sakae Saito, Yasuhiro Oishi, Masashi Fujishima +1 more | 2015-12-01 |
| 9122193 | Developing roller, developing device, and image forming apparatus including developing device | Yoshinobu Yoneima, Yuji Kamiyama, Akihiro Watanabe, Tamotsu Shimizu, Sakae Saito +6 more | 2015-09-01 |
| 9122194 | Developing roller, developing device, and image forming apparatus including developing device | Tamotsu Shimizu, Yuji Kamiyama, Akihiro Watanabe, Yoshinobu Yoneima, Sakae Saito +1 more | 2015-09-01 |
| 9063468 | Developing device and image forming apparatus provided therewith | Minoru Wada, Takahisa Nakaue, Tamotsu Shimizu, Ikuo Makie, Kenichi Tamaki +1 more | 2015-06-23 |
| 9031472 | Developing device with a developer conveying member having paddles connecting spiral blades at one circumferential position and image forming apparatus with such a developing device | Takefumi Yotsutsuji, Akifumi Yamaguchi, Takahisa Nakaue, Tamotsu Shimizu, Minoru Wada | 2015-05-12 |
| 8958724 | Developing device and image forming apparatus | Takahisa Nakaue, Minoru Wada, Takefumi Yotsutsuji, Akifumi Yamaguchi, Tamotsu Shimizu | 2015-02-17 |
| 8942600 | Developing apparatus and image forming apparatus | Takahisa Nakaue, Tamotsu Shimizu, Ikuo Makie, Kenichi Tamaki, Minoru Wada +1 more | 2015-01-27 |
| 8843035 | Developing device and image forming apparatus provided with same | Tamotsu Shimizu | 2014-09-23 |