Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899795 | Lamp device and lighting fixture including LED as light source and metallic cover | Toshiya Tanaka, Keiichi Shimizu, Makoto Sakai, Kozo Ogawa, Sigeru Osawa +2 more | 2014-12-02 |
| 8664857 | Lighting device | Nobuhiko Betsuda, Hitoshi Kawano, Akiko Saito, Makoto Bessho, Yusuke Shibahara +3 more | 2014-03-04 |
| 8618723 | Luminaire | Makoto Sakai, Shinji Nakata, Michinobu Inoue, Izuru Komatsu, Daigo Suzuki +3 more | 2013-12-31 |
| 8567990 | Light emitting diode (LED) bulb | Nobuhiko Betsuda, Hitoshi Kawano, Akiko Saito, Makoto Bessho, Yusuke Shibahara +3 more | 2013-10-29 |
| 8427059 | Lighting device | Nobuhiko Betsuda, Hitoshi Kawano, Akiko Saito, Makoto Bessho, Yusuke Shibahara +3 more | 2013-04-23 |
| D675756 | Light emitting diode lamp | Asuka Wada, Ryotaro Matsuda, Makoto Sakai, Yoshihiro Aonami | 2013-02-05 |
| D675755 | Light emitting diode lamp | Junichiro Yamamoto, Shigeru Motoki, Makoto Sakai, Yoshihiro Aonami | 2013-02-05 |
| 8294356 | Light-emitting element lamp and lighting equipment | Toshiya Tanaka, Takeshi Hisayasu, Shigeru Osawa | 2012-10-23 |
| D668364 | Light emitting diode lamp | Junichiro Yamamoto, Shigeru Motoki, Makoto Sakai, Michinobu Inoue | 2012-10-02 |
| 5093601 | Double bulb type halogen lamp in which a space between inner and outer bulbs is filled with a weak oxidation gas | Tsutomu Watanabe | 1992-03-03 |