Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479568 | Non-aqueous ball point pen ink and ball point pen using the ink | Kahori Funabashi, Teruaki Fukasawa | 2002-11-12 |
| 6442704 | Ring oscillator clock frequency measuring method, ring oscillator clock frequency measuring circuit, and microcomputer | Yasufumi Morimoto | 2002-08-27 |