Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10483471 | Organic electroluminescent element, method for producing organic electroluminescent element, display, and lighting device | Shinya Otsu, Noboru Sekine | 2019-11-19 |
| 9062225 | Production process for colorant, colorant composition, toner, ink for ink jet recording and color filter | Kimihiko Ookubo | 2015-06-23 |
| 8846965 | Toner for electrophotography and metal-containing compound | Kimihiko Ookubo, Issei Nakahara | 2014-09-30 |
| 8729285 | Copper complex compound and electrophotographic toner containing the same | Koji Daifuku, Ryohei Iwamoto, Kimihiko Ookubo, Kaori Ono, Issei Nakahara | 2014-05-20 |
| 8329368 | Electrophotographic toner | Koji Daifuku, Ryohei Iwamoto, Kimihiko Ookubo, Kaori Ono, Issei Nakahara | 2012-12-11 |
| 8269018 | Pyrazolotriazole compound and electrophotographic toner | Kimihiko Ookubo, Ryohei Iwamoto, Koji Daifuku, Kaori Ono, Issei Nakahara | 2012-09-18 |
| 7943279 | Copper complex compound and electrophotographic toner containing the same | Koji Daifuku, Ryohei Iwamoto, Kimihiko Ookubo, Kaori Ono, Issei Nakahara | 2011-05-17 |
| 7270938 | Photopolymerizable composition, light sensitive planographic printing plate material and manufacturing method of planographic printing plate | — | 2007-09-18 |
| 6248512 | Thermally processable photosensitive material, image forming method and antifoggant | Norio Miura | 2001-06-19 |