Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D383224 | Fluorescent lamp | Takeshi Matsumura | 1997-09-02 |
| D379673 | Fluorescent lamp | Takeshi Matsumura | 1997-06-03 |
| D377690 | Fluorescent lamp | Takeshi Matsumura | 1997-01-28 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D383224 | Fluorescent lamp | Takeshi Matsumura | 1997-09-02 |
| D379673 | Fluorescent lamp | Takeshi Matsumura | 1997-06-03 |
| D377690 | Fluorescent lamp | Takeshi Matsumura | 1997-01-28 |