Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258706 | Carpet | Kenichi Sakai | 2025-03-25 |
| 12171846 | Nonwoven fabric for skin care products, face mask, and cleansing sheet | Kumi Oyama, Makoto Nakahara | 2024-12-24 |
| 12008981 | Sound-absorbing material nonwoven fabric, sound-absorbing material, and method for producing sound-absorbing material nonwoven fabric | Makoto Nakahara | 2024-06-11 |
| 11618938 | Steel sheet having a hot-dip Zn—Al—Mg-based coating film excellent in terms of surface appearance and method of manufacturing the same | Hiroki Harada, Kazuhisa Okai | 2023-04-04 |
| 11382283 | Plant cultivation method and plant cultivation device | — | 2022-07-12 |
| 11225048 | Laminated nonwoven fabric | Kumi Oyama, Makoto Nakahara | 2022-01-18 |
| 11174556 | Surface-treatment solution for zinc or zinc alloy coated steel sheet, method of producing zinc or zinc alloy coated steel sheet with surface-coating layer, and zinc or zinc alloy coated steel sheet with surface-coating layer | Reona Endo, Kazuhisa Okai, Takashi Kawano | 2021-11-16 |
| 11099510 | Presser, fixing device, and image forming apparatus | — | 2021-08-24 |
| 11016422 | Attachment, fixing device, and image forming apparatus | Yoshiharu Takahashi | 2021-05-25 |
| 11015272 | Laminated nonwoven fabric | Taira Omori, Kenichi Sakai | 2021-05-25 |
| 11009817 | Presser, fixing device, and image forming apparatus | Hitoshi Fujiwara | 2021-05-18 |
| 10955780 | Fixing device and image forming apparatus incorporating same | Takuya Seshita, Hitoshi Fujiwara | 2021-03-23 |
| 10854185 | Laminate | Kenichi Sakai | 2020-12-01 |
| 10558154 | Image forming apparatus incorporating pressing device | Naoki Iwaya, Hitoshi Fujiwara, Takuya Seshita, Takahiro Imada, Yoshiharu Takahashi +1 more | 2020-02-11 |
| 9279202 | Needle-punched nonwoven fabric | Kazuya Matsumura, Shusaku Narita, Seiji Yokoi, Shuntaro Ishii | 2016-03-08 |
| RE45821 | Zinc-based metal plated steel sheet | Yoichi Makimizu, Sakae Fujita, Naoto Yoshimi, Masahiko Tada, Shinji Ootsuka +5 more | 2015-12-22 |
| 8944708 | Sheet conveying device, and image forming apparatus including same | Hiroyuki Watase, Yasuhiro Sagawa, Kenji Ueda, Masayuki Ueda, Naoyuki Okamoto +1 more | 2015-02-03 |
| 8623514 | Zinc-based metal plated steel sheet | Yoichi Makimizu, Sakae Fujita, Naoto Yoshimi, Masahiko Tada, Shinji Ootsuka +5 more | 2014-01-07 |
| 8532557 | Attachment assist device and image forming apparatus including same | Tadashi Kusumi, Katsuhiko Miki, Yoshikuni Ishikawa | 2013-09-10 |
| 8221900 | Zinc-based metal plated steel sheet | Yoichi Makimizu, Sakae Fujita, Naoto Yoshimi, Masahiko Tada, Shinji Ootsuka +5 more | 2012-07-17 |
| 8016283 | Recording sheet feeder and image forming apparatus providing easy maintenance with simple structure | Masayuki Ueda, Hiroyuki Watase, Ryo Takenaka | 2011-09-13 |
| 7992858 | Sheet conveying apparatus, image scanning apparatus, and image forming apparatus | Yasuhiro Sagawa, Kenji Ueda, Masayuki Ueda, Hiroyuki Watase, Naoyuki Okamoto +2 more | 2011-08-09 |
| 7931267 | Sheet feed device with sheet tray guide unit | — | 2011-04-26 |
| 7922167 | Sheet conveying device, and image forming apparatus including same | Hiroyuki Watase, Masayuki Ueda, Tadashi Kusumi | 2011-04-12 |
| 7708276 | Sheet conveying path switching device used in image forming apparatus, and sheet conveying device | Naoyuki Okamoto, Hiroyuki Watase, Masayuki Ueda, Kenji Ueda, Yasuhiro Sagawa +1 more | 2010-05-04 |