Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800009 | Bulb-form lamp and its manufacturing method | Shinichiro Ishitsuka, Takenori Shibata, Takeshi Matsumura | 2004-10-05 |
| 6793373 | Bulb-type lamp and manufacturing method for the bulb-type lamp | Yoshinori Kakuno | 2004-09-21 |
| 6736526 | Bulb-type lamp and manufacturing method for the bulb-type lamp | Yoshinori Kakuno | 2004-05-18 |
| 6734633 | Bulb-form lamp and manufacturing method of lamp case | Shinichiro Ishitsuka, Masato Kawase, Tsuneo Miyata, Tomotaka Arikawa, Takenori Shibata +1 more | 2004-05-11 |
| 6717341 | Bulb-form lamp and its manufacturing method | Shinichiro Ishitsuka, Takenori Shibata, Takeshi Matsumura | 2004-04-06 |