Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449806 | High-voltage discharge lamp, lamp unit, projection image display device, and method for manufacturing high-voltage discharge lamp | Katsuhiro Ono, Jun Sakaguchi, Mitsuko Shuto, Yutaka Nishida | 2016-09-20 |
| 9041287 | High-pressure discharge lamp having an arc tube in which a pair of electrode rods are disposed, lump unit, and projector-type image display apparatus | Jun Sakaguchi, Hiroki Ogawa | 2015-05-26 |
| 8952611 | Electrode used for discharge lamp, high pressure discharge lamp, lamp unit, and projection image display apparatus | Jun Sakaguchi, Katsuhiro Ono, Kazunori Ohta | 2015-02-10 |
| 8704436 | High-pressure discharge lamp and projector having the high-pressure lamp | Hiroki Ogawa, Kazunori Ohta, Tamotsu Ishikawa, Jun Sakaguchi | 2014-04-22 |
| 8550636 | High-pressure discharge lamp device and projector using the same | Katsuhiro Ono, Akira Taniuchi | 2013-10-08 |
| 8207673 | High-pressure discharge lamp, lamp unit using the same, and projection-type image display device using the lamp unit | Jun Sakaguchi, Katsuhiro Ono | 2012-06-26 |
| 8203267 | Method for manufacturing high-pressure discharge lamp, high-pressure discharge lamp, lamp unit and projection-type image display | Katsuhiro Ono, Jun Sakaguchi, Ryo Minamihata | 2012-06-19 |
| 8049398 | High-pressure discharge lamp, lamp unit using the same, and projective image display device using the lamp unit | Katsuhiro Ono, Jun Sakaguchi | 2011-11-01 |
| 7012374 | High-pressure mercury lamp, lamp unit, and image display device | Yoshitaka Kurimoto | 2006-03-14 |
| RE38807 | High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same | Nobuyosi Takeuti, Takeharu Tsutsumi | 2005-10-04 |
| 6844679 | Mercury lamp, lamp unit, method for producing mercury lamp and electric lamp | Makoto Horiuchi, Makoto Kai, Mamoru Takeda, Tsuyoshi Ichibakase, Tomoyuki Seki +2 more | 2005-01-18 |
| 6705914 | Method of forming spherical electrode surface for high intensity discharge lamp | Takashi Tsutatani, Toshiyuki Shimizu | 2004-03-16 |
| 6593692 | High pressure discharge lamp with long life | Takashi Tsutatani, Toshiyuki Shimizu | 2003-07-15 |
| 6545430 | High-pressure discharge lamp, and manufacturing method, lighting method, and lighting device for the same | Shunsuke Ono, Haruo Nagai | 2003-04-08 |
| 6515406 | High-pressure mercury vapor discharge lamp and lamp unit | Makoto Kai, Mamoru Takeda | 2003-02-04 |
| 6232720 | High-pressure mercury vapor discharge lamp | Nobuyosi Takeuti, Takeharu Tsutsumi | 2001-05-15 |
| 6211616 | High pressure discharge lamp, with tungsten electrode and lighting optical apparatus and image display system using the same | Nobuyosi Takeuti, Takeharu Tsutsumi | 2001-04-03 |