Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8124306 | Magnetic toner | Junko Hirata, Yoshihiro Ogawa, Yusuke Hasegawa, Kouji Nishikawa, Takashige Kasuya | 2012-02-28 |
| 7811734 | Hydrophobic inorganic fine particles and toner | Yoshihiro Ogawa, Yusuke Hasegawa, Kouji Nishikawa, Yoshitaka Suzumura, Takashige Kasuya | 2010-10-12 |
| 7704659 | Toner | Yoshihiro Ogawa, Yusuke Hasegawa, Kouji Nishikawa, Takashige Kasuya | 2010-04-27 |
| 7678524 | Magnetic toner | Yusuke Hasegawa, Yoshihiro Ogawa, Junko Nishiyama, Takashige Kasuya, Tomohisa Sano | 2010-03-16 |
| 7638848 | Semiconductor apparatus with improved ESD withstanding voltage | — | 2009-12-29 |
| 7582401 | Toner with hybrid binder resin | Yoshihiro Ogawa, Yusuke Hasegawa, Tomohisa Sano, Junko Nishiyama, Takashige Kasuya +1 more | 2009-09-01 |
| 7457572 | Image forming method and process cartridge using specific toner regulating blade and toner | Tsutomu Onuma, Yoshihiro Ogawa, Yusuke Hasegawa, Koji Nishikawa, Tomohisa Sano +2 more | 2008-11-25 |
| 7242062 | Semiconductor apparatus with improved ESD withstanding voltage | — | 2007-07-10 |
| 6946708 | Semiconductor apparatus with improved ESD withstanding voltage | — | 2005-09-20 |
| 6744100 | Semiconductor apparatus with improved ESD withstanding voltage | — | 2004-06-01 |