Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9185775 | Lighting device and lighting fixture | Junichi Hasegawa, Akinori Hiramatu, Takeshi Kamoi, Shigeru Ido, Nobutoshi Matsuzaki +1 more | 2015-11-10 |
| 9167658 | Light emitting element lighting device and lighting fixture using same | Akira Nakajo | 2015-10-20 |
| 9127815 | Lighting apparatus | Youji Tachino, Atsushi Motoya, Takashi Ohta, Junichi Hasegawa, Shigeo Gotoh +3 more | 2015-09-08 |
| 9131564 | Lighting device and illumination apparatus using same | Akira Nakajo, Shigeru Ido | 2015-09-08 |
| 9113509 | Lighting device and lighting fixture | Junichi Hasegawa, Akinori Hiramatu, Takeshi Kamoi, Shigeru Ido, Nobutoshi Matsuzaki +1 more | 2015-08-18 |
| 8912730 | Wireless power supply system for lighting and lighting apparatus | Akira Nakajo, Nadda Chawalarat | 2014-12-16 |
| 8779664 | Organic EL element lighting device and lighting fixture using the same | Akira Nakajo | 2014-07-15 |
| 8421360 | Load determination device and illumination apparatus using same | Masanori Mishima, Shohei Yamamoto, Masanao Okawa, Hirofumi Konishi, Katunobu Hamamoto | 2013-04-16 |
| 8310162 | Lighting apparatus and lighting fixture | Akira Nakajo, Ryusuke Ura, Hidenori Kakehashi, Kohji Hiramatsu, Katsuyoshi Goto | 2012-11-13 |
| 8247987 | Induction lamp lighting device and illumination apparatus | Akira Nakajo, Shinji Makimura | 2012-08-21 |
| 8207688 | Electric-discharge lamp lighting device and lighting fixture | Shinji Makimura | 2012-06-26 |
| 8179057 | Electronic ballast for discharge lamp | Shinji Makimura | 2012-05-15 |
| 7772783 | Dimmable electronic ballast for electrodeless discharge lamp and luminaire | Shinji Makimura | 2010-08-10 |
| 7545107 | Electrodeless discharge lamp lighting device and lighting apparatus | Shohei Yamamoto, Akira Nakajo | 2009-06-09 |
| 7365498 | Electrodeless discharge lamp lighting device and luminaire | Shinji Makimura, Shingo Masumoto | 2008-04-29 |
| 7339329 | Dimmable ballast for an electrodeless discharge lamp | Shinji Makimura, Shingo Masumoto, Yuji Kumagai, Akira Nakajo | 2008-03-04 |
| 5945785 | Power source device with minimized variation in circuit efficiency due to variation in applied voltage to driving transformer | Yuji Kumagai, Shinji Makimura | 1999-08-31 |
| 5182702 | Inverter device | Akinori Hiramatsu, Futoshi Okamoto, Hiroyuki Sako, Yukio Yamanaka, Koji Yamada | 1993-01-26 |
| 4274081 | Data input apparatus | Nobutaka Nomura, Kazunari Yamada | 1981-06-16 |