Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12288026 | Information processing method, computer-readable recording medium storing information processing program, and information processing device | Tomoya Iwakura | 2025-04-29 |
| 12072653 | Electrophotographic belt, electrophotographic image forming apparatus, method of producing electrophotographic belt, and varnish | Akeshi Asaka, Yuma Kobayashi | 2024-08-27 |
| 12054617 | Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion | Akiko Kitao, Koichi Suzuki, Yuma Kobayashi | 2024-08-06 |
| 11927904 | Electrophotographic belt having a substrate containing a polyimide resin and carbon nanotubes, electrophotographic image forming apparatus, fixing device, and varnish | Akeshi Asaka, Yuma Kobayashi, Hidetaka Kawamura, Satoru Nishiuma, Akihiro Taya +1 more | 2024-03-12 |
| 11687021 | Sheet discharge device, image forming device, and sheet discharge method | — | 2023-06-27 |
| 11618645 | Recording material processing apparatus and image forming system | Takeshi Yoneyama, Shiro Ohashi, Naoto HAMABATA | 2023-04-04 |
| 11592776 | Recording material processing apparatus and image forming system | — | 2023-02-28 |
| 11518889 | Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion | Akiko Kitao, Koichi Suzuki, Yuma Kobayashi | 2022-12-06 |
| 10678156 | Pigment dispersion, method for manufacturing toner, aqueous ink, and triazo compound | Akiko Kitao, Ai Hayakawa, Koichi Suzuki, Ryuji Higashi | 2020-06-09 |
| 10443120 | Shadow mask | — | 2019-10-15 |
| 9976210 | Shadow mask, film forming system using shadow mask and method of manufacturing a display device | — | 2018-05-22 |
| 9625845 | Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner | Ayano Mashida, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Takayuki Toyoda +4 more | 2017-04-18 |
| 9593250 | Aqueous ink, ink cartridge and ink jet recording method | Takakazu Mizutani, Koichi Suzuki, Ryuji Higashi | 2017-03-14 |
| 9534127 | Aqueous ink, ink cartridge and ink jet recording method | Mikio Sanada, Ryuji Higashi, Koichi Suzuki | 2017-01-03 |
| 9470995 | Compound having azo skeleton and pigment dispersant, pigment composition, pigment dispersion, and toner containing the compound | Masanori Seki, Yuki Hasegawa, Waka Hasegawa, Masashi Kawamura, Chiaki Nishiura +4 more | 2016-10-18 |
| 9458323 | Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording method | Ryuji Higashi, Koichi Suzuki, Hiroshi Tanabe | 2016-10-04 |
| 9441128 | Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording method | Ryuji Higashi, Koichi Suzuki | 2016-09-13 |
| 9403989 | Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording method | Koichi Suzuki, Ryuji Higashi | 2016-08-02 |
| 9371462 | Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording method | Koichi Suzuki, Ryuji Higashi, Masashi Hirose | 2016-06-21 |
| 9298118 | Azo compound, pigment dispersant containing the azo compound, pigment composition, pigment dispersion and toner | Masashi Kawamura, Yasuaki Murai, Waka Hasegawa, Yuki Hasegawa, Takayuki Toyoda +4 more | 2016-03-29 |
| 8936894 | Magenta toner containing compound having AZO skeleton | Takayuki Toyoda, Yasuaki Murai, Waka Hasegawa, Yuki Hasegawa, Masashi Kawamura +4 more | 2015-01-20 |
| 8927187 | Cyan toner containing compound having azo skeleton | Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa, Yuki Hasegawa, Masashi Kawamura +4 more | 2015-01-06 |
| 8859112 | Organic compound and organic light emitting element using the same | Yosuke Nishide, Tetsuya Kosuge, Naoki Yamada, Akihito Saitoh | 2014-10-14 |
| 8304096 | Fused polycyclic aromatic compound and organic light emitting device using the compound | Koichi Suzuki, Kazunori Ueno, Koichi Nakata, Takayuki Ito, Hiroki Ohrui +2 more | 2012-11-06 |
| 8067099 | Phosphorescent material, and organic electroluminescent device and image display apparatus using same | Akira Tsuboyama, Kazunori Ueno, Jun Kamatani | 2011-11-29 |