Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7329858 | Optical encoder and electronic equipment having same | — | 2008-02-12 |
| 7276687 | Optical encoder and electronic equipment using the same | — | 2007-10-02 |
| 7223963 | Optical encoder | Hirohisa Warita, Hiroki Nakamura, Kazufumi Oki | 2007-05-29 |
| 6931222 | Method of and apparatus for deriving information, electric appliance, image formation apparatus, and computer product | — | 2005-08-16 |