Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424600 | Portable electronic device and control method for controlling the portable electronic device | Makoto Okeya, Noriaki Shimura, Hiroyuki Kojima, Hiroshi Yabe | 2002-07-23 |
| 6367967 | Time-measurement device and method of controlling the same | Hiroyuki Kojima, Makoto Okeya, Hiroshi Yabe, Noriaki Shimura | 2002-04-09 |