Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947675 | Remote maintenance and diagnosis of office or domestic appliances | Kiyohisa Koyama, Akira Takehisa, Youichi Onodera | 2005-09-20 |
| 6936117 | Silver alloy with color fastness | Seiichiro Ishikawa | 2005-08-30 |