Issued Patents All Time
Showing 1–25 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11896966 | Antibacterial material and antibacterial film and antibacterial member using the same | Kayo Nakano, Akira Sato, Keiichi Fuse, Shinya Kasamatsu, Akito Sasaki | 2024-02-13 |
| 11084979 | Europium-activated alkaline-earth chloroapatite phosphor and light-emitting device thereof | Naotoshi Matsuda, Tatsunori Itoga, Masahiko Yamakawa, Hirofumi Takemura | 2021-08-10 |
| 11005010 | Phosphor and method of manufacturing same, and LED lamp | Yoshitaka Funayama, Yumi Kanno, Hirofumi Takemura, Tsutomu Ishii | 2021-05-11 |
| 10886434 | White LED lamp, backlight, light emitting device, display device and illumination device | Tsutomu Ishii, Hajime Takeuchi, Yasumasa Ooya, Katsutoshi Nakagawa, Yumi Kanno +2 more | 2021-01-05 |
| 10473274 | White light source system | Masahiko Yamakawa, Ryoji Tsuda, Yasumasa Ooya, Tatsunori Itoga, Junji Taniguchi | 2019-11-12 |
| 10378709 | Illumination system for reproducing the color temperature range of solar light for illuminating exhibits | Masahiko Yamakawa | 2019-08-13 |
| 10368409 | Light emitting device and LED light bulb | Hiroyasu Kondo, Masahiko Yamakawa, Ryoji Tsuda, Atsuji Nakagawa, Toshitaka Fujii +1 more | 2019-07-30 |
| 10368408 | Light emitting device and LED light bulb | Hiroyasu Kondo, Masahiko Yamakawa, Ryoji Tsuda, Atsuji Nakagawa, Toshitaka Fujii +1 more | 2019-07-30 |
| 9670369 | Visible-light-responsive photocatalyst powder, and visible-light-responsive photocatalytic material, photocatalytic coating material and photocatalytic product each using the same | Kayo Nakano, Akira Sato, Keiichi Fuse, Masami Okamura, Shinya Kasamatsu | 2017-06-06 |
| 9660149 | Phosphor and LED light emitting device using the same | Tsutomu Ishii, Yoshitaka Funayama, Yumi Ito, Yasumasa Ooya, Ryo Sakai +2 more | 2017-05-23 |
| 9605815 | White light source and white light source system including the same | Masahiko Yamakawa | 2017-03-28 |
| 9598584 | Visible-light-responsive photocatalyst powder, method of manufacturing the same, and visible-light-responsive photocatalytic material, photocatalytic coating material and photocatalytic product each using the same | Kayo Nakano, Akira Sato, Keiichi Fuse, Masami Okamura | 2017-03-21 |
| 9551467 | White light source and white light source system including the same | Masahiko Yamakawa | 2017-01-24 |
| 9512359 | Phosphor, method for producing phosphor and light emitting device | Daichi USUI, Hirofumi Takemura, Tsutomu Ishii | 2016-12-06 |
| 9487696 | Phosphor of SiAlON crystal, method for producing phosphor and light emitting device | Daichi USUI, Hirofumi Takemura, Tsutomu Ishii | 2016-11-08 |
| 9457377 | Hydrophilic member and hydrophilic product using the same | Kayo Nakano, Akira Sato, Keiichi Fuse, Shinya Kasamatsu, Akito Sasaki | 2016-10-04 |
| D765275 | Light-emitting diode lamp | Hiroshi Ohno, Mitsuaki Kato, Katsumi Hisano, Hiroyasu Kondo, Ryoji Tsuda | 2016-08-30 |
| 9321034 | Aqueous dispersion liquid and coating material, film, and product using the same | Kayo Nakano, Akira Sato, Keiichi Fuse, Shinya Kasamatsu, Akito Sasaki | 2016-04-26 |
| 9228718 | LED light bulb | Yasumasa Ooya, Masahiko Yamakawa, Katsutoshi Nakagawa | 2016-01-05 |
| 9169436 | Phosphor and LED light emitting device using the same | Tsutomu Ishii, Yoshitaka Funayama, Yumi Ito, Yasumasa Ooya, Ryo Sakai +2 more | 2015-10-27 |
| 9112120 | White light source and white light source system including the same | Masahiko Yamakawa | 2015-08-18 |
| 9109762 | White light source and white light source system including the same | Masahiko Yamakawa | 2015-08-18 |
| 9082939 | White light source and white light source system including the same | Masahiko Yamakawa | 2015-07-14 |
| 9039218 | White LED lamp, backlight, light emitting device, display device and illumination device | Tsutomu Ishii, Hajime Takeuchi, Yasumasa Ooya, Katsutoshi Nakagawa, Yumi Ito +2 more | 2015-05-26 |
| 8955996 | LED light bulb | Yasumasa Ooya, Masahiko Yamakawa, Katsutoshi Nakagawa | 2015-02-17 |