Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11971563 | Near-infrared absorbing composition, near-infrared absorbing film, and image sensor for solid-state imaging element | Koji Daifuku, Yosuke Mizutani, Natsumi ITAMOTO, Keigo Tamaki, Yutaro HORIE +3 more | 2024-04-30 |
| 10012777 | Resin composition | Hiroyoshi Kiuchi, Takatugu Suzuki, Kiyoshi Fukusaka, Rie Fujisawa, Hiroshi Kita | 2018-07-03 |
| 8936840 | Retardation film, polarizing plate, liquid crystal display device, and compound | Takatsugu Suzuki, Hiroyoshi Kiuchi, Kiyoshi Fukusaka | 2015-01-20 |
| 8846965 | Toner for electrophotography and metal-containing compound | Kimihiko Ookubo, Keiko Ishidai | 2014-09-30 |
| 8729285 | Copper complex compound and electrophotographic toner containing the same | Koji Daifuku, Ryohei Iwamoto, Keiko Ishidai, Kimihiko Ookubo, Kaori Ono | 2014-05-20 |
| 8329368 | Electrophotographic toner | Koji Daifuku, Ryohei Iwamoto, Keiko Ishidai, Kimihiko Ookubo, Kaori Ono | 2012-12-11 |
| 8269018 | Pyrazolotriazole compound and electrophotographic toner | Kimihiko Ookubo, Ryohei Iwamoto, Koji Daifuku, Keiko Ishidai, Kaori Ono | 2012-09-18 |
| 8246737 | Cellulose ester optical film, polarizing plate and liquid crystal display using the same, method of manufacturing cellulose ester optical film, and copolymer | Takayuki Suzuki, Takatugu Suzuki | 2012-08-21 |
| 7943279 | Copper complex compound and electrophotographic toner containing the same | Koji Daifuku, Ryohei Iwamoto, Keiko Ishidai, Kimihiko Ookubo, Kaori Ono | 2011-05-17 |