Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360492 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Yuki YONETOKU, Takeshi Kawai, Masaki Hirakata, Hideya KATSUHARA | 2025-07-15 |
| 12019393 | Electrophotographic photoconductor, process cartridge, and image forming apparatus | Jiro Korenaga, Shuhei Yamazaki, Yoichi KIGOSHI, Michinori Fukuma, Kosuke Narita +2 more | 2024-06-25 |
| 11755857 | Two-dimensional code encoder | Mariko Mizoguchi | 2023-09-12 |
| 11328048 | Method for logging in to system | Masao Kishikawa, Mariko Mizoguchi | 2022-05-10 |
| 11126106 | Charging device and image forming apparatus | Hirofumi Iida | 2021-09-21 |
| 10859939 | Image forming apparatus | Kanji Shintaku, Hiroki Ando, Hirofumi Iida, Keishi Araki, Hiroki Oka | 2020-12-08 |
| 10802413 | Charging device, image forming structure, and image forming device | Keishi Araki, Hiroki Ando, Hirofumi Iida, Hiroki Oka | 2020-10-13 |
| 10423118 | Cleaning member and image forming apparatus | Fuyuki Kano | 2019-09-24 |
| 10254704 | Charging device, unit for image-forming apparatus, process cartridge, and image-forming apparatus | Fuyuki Kano | 2019-04-09 |
| 9507297 | Tubular body, tubular body unit, and intermediate transfer body for image forming apparatus, image forming apparatus, and method for manufacturing tubular body | Tomoo MATSUSHIMA, Tomotake Inagaki, Fumio Daishi, Kenji Omori, Koichi Matsumoto | 2016-11-29 |
| 9437919 | Information equipment with a plurality of radio communication antennas | Hiroshi Shimasaki, Masao Teshima, Anwar Sathath, Toshiyuki Hirota | 2016-09-06 |
| 8725050 | Sliding member for fixing device, fixing device, and image forming apparatus | Shigemi Ohtsu, Koichi Matsumoto | 2014-05-13 |
| 8185061 | Wireless terminal with frequency switching circuits for controlling an operating frequency | Koichi Sato, Isao Ohba | 2012-05-22 |
| 8165316 | Portable terminal | Hiromichi Suzuki, Masao Teshima, Koichi Sato, Hiroshi Shimasaki, Takashi Amano | 2012-04-24 |
| 8089411 | Information equipment with a plurality of radio communication antennas | Hiroshi Shimasaki, Masao Teshima, Anwar Sathath, Toshiyuki Hirota | 2012-01-03 |
| 7847750 | Antenna device adapted for portable radio apparatus | Isao Ohba, Takashi Amano, Akihiro Tsujimura, Koichi Sato | 2010-12-07 |
| 7830323 | Antenna device and wireless mobile terminal provided with magnetic material | Akihiro Tsujimura, Koichi Sato, Takashi Amano, Isao Ohba | 2010-11-09 |
| 7796402 | Radio apparatus including no less than two housings | Isao Ohba | 2010-09-14 |
| 7701401 | Antenna device having no less than two antenna elements | Hiromichi Suzuki, Isao Ohba | 2010-04-20 |
| 7675469 | Tunable antenna device and radio apparatus | Isao Ohba, Hiromichi Suzuki, Koichi Sato | 2010-03-09 |
| 7639190 | Laptop personal computer with a radio communication antenna | Hiroshi Shimasaki, Masao Teshima, Anwar Sathath, Toshiyuki Hirota | 2009-12-29 |
| 7522109 | Information equipment with a plurality of radio communication antennas | Hiroshi Shimasaki, Masao Teshima, Anwar Sathath, Toshiyuki Hirota | 2009-04-21 |
| 7477199 | Antenna device operable in multiple frequency bands | Hiroyuki Hotta, Koichi Sato | 2009-01-13 |
| 7345637 | Radio device and electronic apparatus | Takashi Amano, Koichi Sato | 2008-03-18 |
| 7176843 | Wideband antenna and communication apparatus having the antenna | Hiroshi Shimasaki, Masao Teshima | 2007-02-13 |