Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12105450 | Heating device and heating-object utilization apparatus | Toshiyuki Miyata, Kazuyoshi Itoh, Kiyoshi Koyanagi, Keitaro Mori, Sou Morizaki +2 more | 2024-10-01 |
| 11982493 | Thermally conductive pipe, heat treatment device, and treatment system | Toshiyuki Miyata, Kazuyoshi Itoh, Toko Hara, Keitaro Mori, Sou Morizaki +2 more | 2024-05-14 |
| 11703782 | Fixing device and image forming apparatus | Kiyoshi Koyanagi, Toko Hara, Toshiyuki Miyata, Kazuyoshi Itoh, Keitaro Mori +2 more | 2023-07-18 |
| 11687019 | Fixing device and image forming apparatus | Keitaro Mori, Toshiyuki Miyata, Kazuyoshi Itoh, Sou Morizaki, Kiyoshi Koyanagi +2 more | 2023-06-27 |
| 11624997 | Heating device and apparatus using member to be heated | Sou Morizaki, Kazuyoshi Itoh, Toshiyuki Miyata, Motoharu Nakao, Kiyoshi Koyanagi +1 more | 2023-04-11 |
| 11442386 | Heating device and apparatus using member to be heated | Kazuyoshi Itoh, Toshiyuki Miyata, Toko Hara, Kiyoshi Koyanagi, Sou Morizaki +1 more | 2022-09-13 |
| 11378899 | Thermally conductive pipe, thermal processing device, and processing system | Toko Hara, Kiyoshi Koyanagi, Toshiyuki Miyata, Kazuyoshi Itoh, Sou Morizaki +2 more | 2022-07-05 |
| 11334010 | Heating device, fixing device, and image forming apparatus | Toshiyuki Miyata, Kazuyoshi Itoh, Toko Hara, Motoharu Nakao, Sou Morizaki +1 more | 2022-05-17 |
| 11106165 | Heating device and apparatus using member to be heated | Kazuyoshi Itoh, Toshiyuki Miyata, Toko Hara, Kiyoshi Koyanagi, Sou Morizaki +1 more | 2021-08-31 |
| 11092918 | Heating device and image forming apparatus including heat pipe having flat outer surface | Toko Hara, Kazuyoshi Itoh, Toshiyuki Miyata, Kiyoshi Koyanagi | 2021-08-17 |
| 11092919 | Heating device and image forming apparatus | Toshiyuki Miyata, Kazuyoshi Itoh, Toko Hara, Motoharu Nakao, Sou Morizaki +1 more | 2021-08-17 |
| 11037726 | Method for manufacturing common-mode choke coil | Yuji Yasuoka, Tomohiro Fujita, Takeyuki Fujii, Chikara Nara, Makoto Itou | 2021-06-15 |
| 11016427 | Heating device, fixing device, and image forming apparatus | Toko Hara, Toshiyuki Miyata, Kazuyoshi Itoh, Kiyoshi Koyanagi, Sou Morizaki +1 more | 2021-05-25 |
| 10969720 | Heating device, fixing device, and image forming apparatus | Kiyoshi Koyanagi, Toko Hara, Kazuyoshi Itoh, Sou Morizaki, Motoharu Nakao +1 more | 2021-04-06 |
| 10962910 | Heating member for fixing device and image forming apparatus | Kiyoshi Koyanagi, Takaaki Sato | 2021-03-30 |
| 10942479 | Fixing device and image forming apparatus | Takaaki Sato, Kiyoshi Koyanagi, Sou Morizaki | 2021-03-09 |
| 10591852 | Fixing device and image forming apparatus | Kiyoshi Koyanagi, Takaaki Sato, Kazuyoshi Itoh | 2020-03-17 |
| 10578998 | Fixing device and image forming apparatus | Kiyoshi Koyanagi, Takaaki Sato | 2020-03-03 |
| 10268146 | Fixing device and image forming apparatus | Takaaki Sato, Kiyoshi Koyanagi | 2019-04-23 |
| 10168648 | Fixing device and image forming apparatus | Kiyoshi Koyanagi | 2019-01-01 |
| 10072320 | Method of producing steel material | Kohei Furumai, Norichika Aramaki, Yuji Miki, Takeshi Murai, Yukio Usui +1 more | 2018-09-11 |
| 9933732 | Fixing device and image forming apparatus | Kazuyoshi Itoh, Yasuhiro Uehara, Kiyoshi Koyanagi | 2018-04-03 |
| 9869747 | Indoor position information providing apparatus, position notifier apparatus and program | Toshiaki Nakayama | 2018-01-16 |
| 9680575 | Relay device, station side device, and communication system and communication method using relay device | Kazuhisa Yamashita | 2017-06-13 |
| 9482999 | Heating device, fixing device, and image forming apparatus | Kiyoshi Koyanagi | 2016-11-01 |