Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7539599 | Abnormality diagnosing method, condition appraisal apparatus, image forming apparatus, management apparatus and management system | Kunio Hasegawa, Kohsuke Tsunashima, Mitsuo Hasebe, Shigeru Mita | 2009-05-26 |
| 7113174 | Coordinate inputting/detecting apparatus and method designed to avoid a trailing phenomenon | Kenichi Takekawa | 2006-09-26 |
| 6570103 | Method and apparatus for coordinate inputting capable of effectively using a laser ray | Kenichi Takekawa | 2003-05-27 |
| 6518959 | Device for detecting and inputting a specified position | Takahiro Ito | 2003-02-11 |
| 4851924 | Color recorder overhead projector with color recorder | Takuma Nakamura | 1989-07-25 |
| 4839731 | Color overhead projector | — | 1989-06-13 |