Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8465896 | Black toner | Ayako Sekikawa, Atsushi Tani, Takaaki Kaya, Shigeto Tamura | 2013-06-18 |
| 8460845 | Cyan toner | Takaaki Kaya, Ayako Sekikawa, Ryoichi Fujita, Shigeto Tamura | 2013-06-11 |
| 7794908 | Toner | Takaaki Kaya, Shigeto Tamura, Ryoichi Fujita, Takeshi Ikeda | 2010-09-14 |
| 7794909 | Toner | Takaaki Kaya, Shigeto Tamura, Ryoichi Fujita, Ayako Sekikawa | 2010-09-14 |
| 7776501 | Color toner | Shigeto Tamura, Takaaki Kaya, Ryoichi Fujita | 2010-08-17 |