Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084979 | Europium-activated alkaline-earth chloroapatite phosphor and light-emitting device thereof | Naotoshi Matsuda, Tatsunori Itoga, Masahiko Yamakawa, Yasuhiro Shirakawa | 2021-08-10 |
| 11005010 | Phosphor and method of manufacturing same, and LED lamp | Yoshitaka Funayama, Yumi Kanno, Tsutomu Ishii, Yasuhiro Shirakawa | 2021-05-11 |
| 10858583 | Phosphor and method of producing the same | Daichi USUI, Naotoshi Matsuda | 2020-12-08 |
| 9512359 | Phosphor, method for producing phosphor and light emitting device | Daichi USUI, Yasuhiro Shirakawa, Tsutomu Ishii | 2016-12-06 |
| 9487696 | Phosphor of SiAlON crystal, method for producing phosphor and light emitting device | Daichi USUI, Yasuhiro Shirakawa, Tsutomu Ishii | 2016-11-08 |
| 9231150 | Phosphor for light emitting device and method for manufacturing the same, and light emitting device using the same | Yoshitaka Funayama | 2016-01-05 |
| 6268691 | Red emitting phosphor for cathode ray tube | Satoshi Sugano, Hiroyasu Yashima, Yohe Shimizu, Tsuyoshi Oyaizu, Akira Mikami | 2001-07-31 |
| 6248261 | Electroluminescent phosphor and electroluminescent element using the same | Yohe Shimizu, Takeshi Takahara, Mitsuhiro Oikawa | 2001-06-19 |
| 6156993 | Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby | Yoshiaki Inoue, Seiji Yokota, Akira Terajima, Kazuhiro Kawasaki, Masaaki Tamatani +3 more | 2000-12-05 |
| 6080954 | Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby | Yoshiaki Inoue, Seiji Yokota, Akira Terajima, Kazuhiro Kawasaki, Masaaki Tamatani +3 more | 2000-06-27 |