Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8354792 | Fused joint structure in a lamp tube and forming method therefor | Nobuhiro Nagamachi | 2013-01-15 |
| 8350476 | Short arc type discharge lamp | Hirohisa Ishikawa, Hiroyoshi Kitano, Nobuhiro Nagamachi, Takashi Yamashita, Michiko Morooka | 2013-01-08 |
| 8217576 | High pressure discharge lamp | Hirohisa Ishikawa, Nobuhiro Nagamachi | 2012-07-10 |
| 8072145 | Extra high pressure mercury lamp with each electrode held by a sealing portion | Shuki Kasaishi, Takuya Tsukamoto, Nobuhiko Sugihara | 2011-12-06 |
| 7999475 | Short arc type discharge lamp | Hirohisa Ishikawa, Nobuhiro Nagamachi | 2011-08-16 |
| 7898180 | High pressure discharge lamp | Nobuhiro Nagamachi | 2011-03-01 |
| 7656093 | Discharge lamp and metal foil for a discharge lamp | — | 2010-02-02 |
| 6940217 | Short arc ultra-high pressure discharge lamp | Masanobu Komiya, Yoshitaka Kanzaki | 2005-09-06 |
| 6923700 | Short-arc, ultra-high-pressure discharge lamp and method of manufacture | Yoshitaka Kanzaki, Katsuhiko Miyahra | 2005-08-02 |
| 6911775 | Short-arc, ultra-high pressure discharge lamp | Yoshitaka Kanzaki, Masanobu Komiya | 2005-06-28 |
| 6861806 | Super-high pressure discharge lamp of the short arc type | Yoshitaka Kanzaki, Masanobu Komiya | 2005-03-01 |
| 6787996 | Lamp seal using functionally gradient material | Katsuya Saito, Yukiharu Tagawa | 2004-09-07 |
| 6762557 | Super-high pressure discharge lamp of the short arc type | Yoshitaka Kanzaki, Masanobu Komiya | 2004-07-13 |
| 6713957 | Super-high pressure discharge lamp of the short arc type | Yoshitaka Kanzaki, Masanobu Komiya, Koji Miyauti | 2004-03-30 |
| 6375533 | Electricity lead-in body for bulb and method for manufacturing the same | Tetuya Torikai, Yukihiro Morimoto, Yukiharu Tagawa, Kenzo Kai, Hiroshi Sugahara +1 more | 2002-04-23 |
| 5962977 | Low pressure discharge lamp having electrodes with a lithium-containing electrode emission material | Keiichi Matsumoto, Yukiharu Tagawa, Makoto Fujii, Akiko Hata | 1999-10-05 |
| 4768057 | Flash fixing apparatus | Tatsuo Horiuchi | 1988-08-30 |