Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D520150 | Halogen bulb | Kazuyoshi Okamura, Makoto Sakai, Makoto Bessho | 2006-05-02 |
| D513641 | Halogen bulb | Kazuyoshi Okamura, Makoto Sakai, Makoto Bessho | 2006-01-17 |
| D512788 | Halogen bulb | Kazuyoshi Okamura, Makoto Sakai, Makoto Bessho | 2005-12-13 |
| D509310 | Halogen bulb | Kazuyoshi Okamura, Makoto Sakai, Makoto Bessho | 2005-09-06 |
| 4908055 | Method of manufacturing thereof fluorescent lamp | Taketo Kamei | 1990-03-13 |
| 4338544 | Fluorescent lamp | Toshiharu Yagi, Akiyoshi Kondo | 1982-07-06 |