Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8558457 | Lamp comprising glass tube having pinched sealed portion at end | Atsushi Utsubo, Jun Tominaga, Masahito Yoshida | 2013-10-15 |
| 8519605 | Metal vapor discharge lamp and lighting apparatus | Yukiya Kanazawa, Atsushi Utsubo | 2013-08-27 |
| 8427056 | High-intensity discharge lamp | Atsushi Utsubo, Akio Takubo, Masahito Yoshida, Yukiya Kanazawa | 2013-04-23 |
| 8258689 | Illuminating device | Hiroshi Nohara, Makoto Inoue | 2012-09-04 |
| 8227959 | Metal vapor discharge lamp | — | 2012-07-24 |
| 8063566 | Illumination apparatus and metal vapor discharge lamp | Masanori Higashi, Rie Tonomori | 2011-11-22 |
| 7990035 | Metal vapor discharge lamp with a restrain member for inner tube | Rie Tonomori, Masanori Higashi, Kazuo Takeda | 2011-08-02 |
| 7965042 | Metal halide lamp and lighting apparatus using the same | Masahito Yoshida | 2011-06-21 |
| 7859174 | Metal vapor discharge lamp | — | 2010-12-28 |
| 7348730 | Metal halide lamp and luminaire | Hiroshi Nohara, Atsushi Utsubo, Yukiya Kanazawa | 2008-03-25 |
| 7227309 | Metal halide lamp | Yasutaka Horibe, Yoshiharu Nishiura | 2007-06-05 |
| 7078860 | Metal vapor discharge lamp having configured envelope for stable luminous characteristics | Mikio Miura, Yoshiharu Nishiura | 2006-07-18 |
| 7061182 | Metal halide lamp | Masanori Higashi, Yoshiharu Nishiura, Shigefumi Oda, Hiroshi Enami | 2006-06-13 |
| 6984938 | Metal vapor discharge lamp and lighting apparatus capable of stable maintenance of characteristics | Tatsuo Nishimoto, Masanori Higashi, Mikio Miura, Hiroshi Enami, Yoshiharu Nishiura | 2006-01-10 |
| 6943498 | High intensity discharge lamp and high intensity discharge lamp system using the same | Yoshiharu Nishiura, Shigefumi Oda, Masanori Higashi, Hiroshi Enami | 2005-09-13 |
| 6861808 | Metal vapor discharge lamp | Kazuo Takeda | 2005-03-01 |
| 6815893 | Metal halide lamp having a long lifespan | Kazuo Takeda, Takashi Maniwa, Yoshiharu Nishiura | 2004-11-09 |
| 6774559 | Metal vapor discharge lamp | Yoshiharu Nishiura | 2004-08-10 |
| 6756721 | Metal halide lamp | Masanori Higashi, Yoshiharu Nishiura, Shigefumi Oda, Hiroshi Enami | 2004-06-29 |
| 6744206 | Metal halide lamp with reduced change in color temperature | Mikio Miura, Yoshiharu Nishiura | 2004-06-01 |
| 6707252 | Metal halide lamp | Shigefumi Oda, Yoshiharu Nishiura, Masanori Higashi, Hiroshi Enami | 2004-03-16 |
| 6646379 | Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time | Hiroshi Nohara, Yoshiharu Nishiura, Kazuo Takeda, Kenji Akiyoshi, Kouichi Sugimoto +2 more | 2003-11-11 |
| 6469442 | Metal vapor discharge lamp | Shigefumi Oda, Shiki Nakayama, Takashi Yamamoto, Hiroshi Nohara | 2002-10-22 |