Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423127 | Pseudo-plastic water base ink for ball point pen | Masaru Miyamoto, Yoji Takeuchi | 2002-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423127 | Pseudo-plastic water base ink for ball point pen | Masaru Miyamoto, Yoji Takeuchi | 2002-07-23 |