Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9123861 | Solar battery, manufacturing method thereof, and solar battery module | Yuki Tsuda, Tsutomu Matsuura | 2015-09-01 |
| 9121593 | Lighting apparatus and lighting apparatus assembly using the same | Yohei HAYASHI, Osamu Tanahashi, Hideharu Kawachi, Masanao Okawa, Koji Noro +1 more | 2015-09-01 |
| 8823275 | Lighting circuit for light emitting element and illumination apparatus including same | Masanao Okawa, Yohei HAYASHI, Masanori Mishima | 2014-09-02 |
| 8643312 | Method for feeding electric power to a planar light-emitting element | Masanao Okawa, Takeo Miyai, Hideharu Kawachi, Koki Fujihara | 2014-02-04 |
| 8564215 | Light emitting module device, light emitting module used in the device, and lighting apparatus provided with the device | Masanao Okawa, Shohei Yamamoto, Kentaro Yamauchi | 2013-10-22 |
| 8546682 | Photoelectric converter and manufacturing method thereof, and photoelectric conversion module | Kyozo Kanamoto, Hidetada Tokioka, Mikio Yamamuka, Hiroyuki Fuchigami | 2013-10-01 |
| 8513898 | Light emitting device that restores abnormal light emitting element | Masanao Okawa, Hirofumi Takaki, Shin Ukegawa, Minoru Maehara | 2013-08-20 |
| 8502471 | Planar light-emitting module lighting circuit and illuminating device | Masanao Ookawa, Shin Ukegawa, Minoru Maehara, Hirofumi Takaki | 2013-08-06 |
| 8432105 | Light control apparatus for lighting an organic electroluminescence device and lighting appliance using the same | Hirofumi Takaki, Shin Ukegawa, Minoru Maehara, Masanao Okawa | 2013-04-30 |
| 8421360 | Load determination device and illumination apparatus using same | Masanori Mishima, Hiroshi Kido, Shohei Yamamoto, Masanao Okawa, Katunobu Hamamoto | 2013-04-16 |
| 8348437 | Discharge lamp lighting device and image display device that controls electric power converter output on a historical basis | Koji Watanabe | 2013-01-08 |
| 8344651 | Light control apparatus and lighting appliance using the same | Hirofumi Takaki, Shin Ukegawa, Minoru Maehara, Masanao Okawa | 2013-01-01 |
| 8207664 | Organic electroluminescence module having a bent strip conductor | Hideharu Kawachi, Osamu Tanahashi, Satoshi Fukano, Masanao Okawa | 2012-06-26 |
| 8138679 | Organic electroluminescent light emitting device for restoring normal operation after low-voltage errors | Shin Ukegawa, Minoru Maehara, Masanao Okawa, Hirofumi Takaki | 2012-03-20 |
| 8089215 | Discharge lamp lighting device, headlight device and vehicle having the same | Toshifumi Tanaka, Shin Ukegawa, Shinichi Anami, Masahiro Seki | 2012-01-03 |
| 8030856 | Discharge lamp lighting device | — | 2011-10-04 |
| 7965166 | Multi-layered device | Masanao Okawa | 2011-06-21 |
| 7943890 | Discharge lamp lighting device and image display device with switching frequency | Jyunichi Uekariya | 2011-05-17 |
| 7692391 | Discharge lamp ballast, lighting system and projector | Katsuyoshi Nakada, Junichi Hasegawa, Koji Watanabe, Kiyoaki Uchihashi, Toshiaki Sasaki | 2010-04-06 |
| 7622869 | Discharge lamp ballast and projector | Koji Watanabe, Junichi Hasegawa, Katsuyoshi Nakada, Toshiaki Sasaki | 2009-11-24 |
| 7504782 | Discharge lamp lighting apparatus and projector | Junichi Hasegawa, Akihiro Kishimoto, Koji Watanabe, Katsuyoshi Nakada | 2009-03-17 |
| 7141937 | High-pressure discharge lamp operation device and illumination appliance having the same | Jun Kumagai, Akihiro Kishimoto | 2006-11-28 |
| 7126086 | Cartridge-type soldering iron | Toshikazu Mochizuki | 2006-10-24 |
| 7060937 | Cartridge-type soldering iron with inert gas emitted near the tip | — | 2006-06-13 |
| 6861812 | Discharge lamp ballast with DC-DC converter | Takashi Kambara, Toshiaki Nakamura, Miki Kotani, Toshifumi Tanaka | 2005-03-01 |