Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10006593 | Lamp system | Takeshi Osada, Kiyoshi Takahashi, Shougo Takahashi, Satoshi Fukano | 2018-06-26 |
| 9265127 | Luminaire | Kenji Takanashi | 2016-02-16 |
| 9066407 | Power source unit for LED lamps, and LED lamp system | Hiroshi Terasaka, Hiroshi Kubota, Naoko Iwai, Takeshi Saito, Hiroki Nakagawa +2 more | 2015-06-23 |
| 8998457 | Self-ballasted lamp and lighting equipment having a support portion in contact with an inner circumference of a base body | Makoto Sakai, Masao Segawa, Nobuo Shibano, Kiyoshi Nishimura, Kozo Ogawa +3 more | 2015-04-07 |
| 8952627 | Illuminating device and illuminating method | Sayaka Tomiyama, Toshihiko Sasai, Hitoshi Kawano, Naoko Iwai, Masatoshi Kumagai +2 more | 2015-02-10 |
| 8941318 | Power supply for illumination and luminaire | Hiromichi Nakajima, Toshio Tsuji | 2015-01-27 |
| 8907579 | Luminaire | Kenji Takanashi | 2014-12-09 |
| 8896222 | Power supply device and luminaire | — | 2014-11-25 |
| 8864511 | Tube lamp and luminaire | Keiichi Shimizu, Masao Hori, Koji Sato, Yuki Harada, Toshiyuki Hiraoka +5 more | 2014-10-21 |
| 8823278 | DC power source unit and LED lamp system | Naoko Iwai, Toshihiko Sasai, Hiroshi Terasaka, Toru Ishikita, Hitoshi Kawano +1 more | 2014-09-02 |
| 8678618 | Self-ballasted lamp having a light-transmissive member in contact with light emitting elements and lighting equipment incorporating the same | Makoto Sakai, Masao Segawa, Nobuo Shibano, Kiyoshi Nishimura, Kozo Ogawa +3 more | 2014-03-25 |
| 8643307 | Lighting device and luminaire | Naoko Iwai, Hiroshi Terasaka, Hitoshi Kawano, Yosuke Saito | 2014-02-04 |
| 8643295 | Luminaire | Kenji Takanashi | 2014-02-04 |
| 8643288 | Light-emitting device and illumination apparatus | Hirokazu Otake, Takuro Hiramatsu, Hiroshi Terasaka, Mitsuhiko Nishiie, Hiromichi Nakajima | 2014-02-04 |
| 8638050 | DC power supply unit and LED lighting apparatus | Go Kato, Hiroshi Kubota, Hiroshi Terasaka, Tomokazu Usami, Naoko Iwai | 2014-01-28 |
| 8415889 | LED lighting equipment | Takuro Hiramatsu, Hiroshi Kubota, Hiroshi Terasaka, Toshiyuki Hiraoka | 2013-04-09 |
| 8376562 | Light-emitting module, self-ballasted lamp and lighting equipment | Shigeru Osawa, Takuro Hiramatsu, Tsutomu Araki, Hitoshi Kawano | 2013-02-19 |
| 8305010 | Light-emitting diode lighting device with step-down chopper | Hajime Osaki, Hirokazu Otake, Shinya Hakuta, Takuro Hiramatsu, Toshiyuki Hiraoka +1 more | 2012-11-06 |
| 7268496 | Discharge lamp lighting device and lighting system | Yuuji Takahashi, Kazutoshi Mita | 2007-09-11 |
| 6548964 | Discharge lamp lighting apparatus and luminaire using the same | Keiichi Shimizu | 2003-04-15 |
| 6184632 | Lighting apparatus including circuit to detect an electrical characteristic of a component of a lamp mounted in the apparatus | Kazutoshi Mita, Kazuo Takita | 2001-02-06 |
| 6177768 | Discharge lamp lighting device and illumination device | Tsutomu Kakitani, Keiichi Shimizu, Keiji Takahashi, Fuminori Nakaya | 2001-01-23 |
| 6139296 | Method for treating metal surface, rotary shaft for refrigerant compressor treated by the method, vane for refrigerant compressor treated by the method, and refrigerant compressor using the same | Masazo Okajima, Ayumi Mori, Kazuhisa Ishikawa, Takeo Komatsubara, Sachimine Suga +2 more | 2000-10-31 |