Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7074104 | Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method therefore | Kenji Itaya, Takeshi Matsumura | 2006-07-11 |
| 6972514 | Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method therefore | Kenji Itaya, Takeshi Matsumura | 2005-12-06 |
| 6793373 | Bulb-type lamp and manufacturing method for the bulb-type lamp | Tetsuo Matsuba | 2004-09-21 |
| 6736526 | Bulb-type lamp and manufacturing method for the bulb-type lamp | Tetsuo Matsuba | 2004-05-18 |
| D484621 | Fluorescent lamp | Shirou Iida | 2003-12-30 |
| D480486 | Fluorescent lamp | Shirou Iida | 2003-10-07 |
| D480162 | Fluorescent lamp | Shirou Iida | 2003-09-30 |
| D479887 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-23 |
| D479886 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-23 |
| D479753 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-16 |
| D479752 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-16 |
| D479615 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-09 |
| D479616 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-09 |
| D479617 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-09 |
| D479347 | Fluorescent lamp | Shirou Iida | 2003-09-02 |
| D479346 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-02 |
| D479345 | Fluorescent lamp | Shirou Iida | 2003-09-02 |
| D479344 | Fluorescent lamp | Shirou Iida, Akiko Nakanishi | 2003-09-02 |
| 6547582 | Lampholder | Tetsuo Matsuba | 2003-04-15 |
| 6488538 | Tube lamp and its manufacturing method | Tetsuo Matsuba | 2002-12-03 |