Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8393757 | Light-bulb type LED lamp and illumination apparatus | Takaari Uemoto, Shinya Kawagoe, Naotaka Hashimoto, Toshiyasu Kojima, Taku Ikeda +2 more | 2013-03-12 |
| 8258689 | Illuminating device | Shunsuke Kakisaka, Makoto Inoue | 2012-09-04 |
| 7679290 | Metal halide lamp with light-transmitting ceramic arc tube | Atsushi Utsubo, Makoto Horiuchi, Makoto Kai | 2010-03-16 |
| 7492104 | High pressure discharge lamp | Atsushi Utsubo, Yukiya Kanazawa | 2009-02-17 |
| 7468585 | Metal halide lamp | Atsushi Utsubo, Yukiya Kanazawa, Yoshiharu Nishiura, Kiyoshi Takahashi, Makoto Kai +1 more | 2008-12-23 |
| 7382101 | Lighting system | Kenichi Fukuda, Koji Yamashita, Atsushi Utsubo, Yukiya Kanazawa | 2008-06-03 |
| 7348730 | Metal halide lamp and luminaire | Shunsuke Kakisaka, Atsushi Utsubo, Yukiya Kanazawa | 2008-03-25 |
| D542238 | Arc tube for a high intensity discharge lamp | Nobuyoshi Takeuchi, Mikio Miura, Atsushi Utsubo, Yukiya Kanazawa | 2007-05-08 |
| D529876 | Arc tube for a high intensity discharge lamp | Nobuyoshi Takeuchi, Mikio Miura, Atsushi Utsubo, Yukiya Kanazawa | 2006-10-10 |
| D529875 | Arc tube for a high intensity discharge lamp | Nobuyoshi Takeuchi, Mikio Miura, Atsushi Utsubo, Yukiya Kanazawa | 2006-10-10 |
| D528995 | Arc tube | Nobuyoshi Takeuchi, Mikio Miura, Atsushi Utsubo, Yukiya Kanazawa | 2006-09-26 |
| D527351 | Arc tube | Nobuyoshi Takeuchi, Mikio Miura, Atsushi Utsubo, Yukiya Kanazawa | 2006-08-29 |
| D526625 | Arc tube | Nobuyoshi Takeuchi, Mikio Miura, Atsushi Utsubo, Yukiya Kanazawa | 2006-08-15 |
| 6979958 | High efficacy metal halide lamp with praseodymium and sodium halides in a configured chamber | Huiling Zhu, Shin Ukegawa, Jakob Maya | 2005-12-27 |
| 6713962 | High-pressure discharge lamp | Yoshiharu Nishiura, Takashi Maniwa, Hiroshi Enami, Shiki Nakayama, Masato Wada | 2004-03-30 |
| 6646379 | Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time | Yoshiharu Nishiura, Shunsuke Kakisaka, Kazuo Takeda, Kenji Akiyoshi, Kouichi Sugimoto +2 more | 2003-11-11 |
| 6483230 | High pressure metallic vapor discharge lamp | Shigefumi Oda, Yoshiharu Nishiura, Shiki Nakayama, Takashi Yamamoto, Masanori Higashi | 2002-11-19 |
| 6469442 | Metal vapor discharge lamp | Shunsuke Kakisaka, Shigefumi Oda, Shiki Nakayama, Takashi Yamamoto | 2002-10-22 |
| 6342764 | High pressure discharge lamp | Yoshiharu Nishiura, Takashi Yamamoto, Kazuo Takeda, Shiki Nakayama | 2002-01-29 |
| 6208070 | Metal vapor discharged lamp with specific angle between electrodes and tapered envelope wall | Kouichi Sugimoto, Yoshiharu Nishiura, Kazuo Takeda, Shiki Nakayama, Takashi Yamamoto | 2001-03-27 |
| 6137229 | Metal halide lamp with specific dimension of the discharge tube | Yoshiharu Nishiura, Kazuo Takeda, Kouichi Sugimoto, Shiki Nakayama, Takashi Yamamoto | 2000-10-24 |
| 6054810 | Metal halide lamp having a ceramic discharge tube | Takashi Yamamoto, Shiki Nakayama, Kouichi Sugimoto, Kazuo Takeda, Shigefumi Oda +1 more | 2000-04-25 |
| 5994839 | High-pressure metal vapor discharge lamp | Takashi Yamamoto, Shiki Nakayama, Yoshiharu Nishiura, Shigefumi Oda | 1999-11-30 |
| 5428493 | Motor starting relay device having PTC thermistors | Michikazu Takeuchi | 1995-06-27 |
| 4642059 | Marine contra-rotating propeller apparatus | — | 1987-02-10 |