Issued Patents All Time
Showing 51–75 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021985 | Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lamp | Kenji Itaya, Tatsuhiro Yabuki | 2006-04-04 |
| 6984926 | Compact self-ballasted fluorescent lamp resistant to heat deformation | Yuji Tsuneto, Hiroki Nakagawa, Akiko Nakanishi, Kenji Itaya, Kenji Nakano +3 more | 2006-01-10 |
| D503988 | Fluorescent lamp | Shoichi Kamizono | 2005-04-12 |
| D503987 | Fluorescent lamp | — | 2005-04-12 |
| D503814 | Fluorescent lamp | — | 2005-04-05 |
| D503002 | Fluorescent lamp | Noriyuki Uchida | 2005-03-15 |
| D502558 | Fluorescent lamp | Noriyuki Uchida | 2005-03-01 |
| D502272 | Fluorescent lamp | Noriyuki Uchida | 2005-02-22 |
| D501938 | Fluorescent lamp | — | 2005-02-15 |
| D501684 | Fluorescent lamp | — | 2005-02-08 |
| D501569 | Fluorescent lamp | Shoichi Kamizono | 2005-02-01 |
| D501568 | Fluorescent lamp | Fumiyuki Sato | 2005-02-01 |
| D501567 | Fluorescent lamp | Fumiyuki Sato, Shoichi Kamizono | 2005-02-01 |
| 6744205 | Discharge lamp with improved light distribution characteristics | Noriyuki Uchida, Kenji Nakano, Tatsuhiro Yabuki | 2004-06-01 |
| 6558019 | Bulb-shaped fluorescent lamp | Takeshi Matsumura, Kenji Itaya, Nobuharu Hata | 2003-05-06 |
| 6482061 | Method for producing lamps | Tetsuo Matsuba, Shinichiro Ishitsuka, Masaru Oyaizu | 2002-11-19 |
| 6476553 | Flourescent discharge tube with amalgam positioning requirements and bulb-shaped fluorescent lamp using the same | Takeshi Matsumura | 2002-11-05 |
| 6469427 | Lamp having improved electrical connection | Kenji Itaya, Takeshi Matsumura | 2002-10-22 |
| 6456001 | Fluorescent lamp having V-shaped grooves for guiding lead wire | Takeshi Matsumura, Kenji Itaya, Tetsuya Tahara | 2002-09-24 |
| 6431725 | Bulb-shaped fluorescent lamp | Takeshi Matsumura, Kenji Itaya, Nobuharu Hata | 2002-08-13 |
| 6367947 | Fluorescent lamp having excellent light distribution and high impact-resistance | Kenji Itaya, Takeshi Matsumura, Nobuharu Hata | 2002-04-09 |
| 6225742 | Self-ballasted fluorescent lamp | Tetsuya Tahara, Hiroki Nakagawa | 2001-05-01 |
| 6172452 | Low pressure mercury vapor discharge lamp with heat conductive component | Kenji Itaya, Kenji Nakano, Masao Yukawa | 2001-01-09 |
| D425634 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 2000-05-23 |
| D425635 | Self-ballasted compact fluorescent lamps | Masayoshi Kato, Takeshi Matsumura | 2000-05-23 |