Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447696 | Fluorescent member, its manufacturing method, and light-emitting apparatus | Emi Takahashi, Takuma Takahashi | 2022-09-20 |
| 11111433 | Transparent fluorescent sialon ceramic and method of producing same | Takuma Takahashi, Yuki Sano, Takehiko Tanaka, Masahiro Yokouchi | 2021-09-07 |
| 10982140 | Nitride phosphor particle dispersion-type sialon ceramic, fluorescent member, and method for producing nitride phosphor particle dispersion-type sialon ceramic | Takuma Takahashi, Ippei KOKUBUN, Masahiro Yokouchi | 2021-04-20 |
| 10323168 | Crystal oriented ceramicscrystal oriented ceramics, the production process, and heat radiation material | Takuma Takahashi, Nanako Sugimoto | 2019-06-18 |
| 9879168 | Method for producing hexagonal boron nitride, and heat dissipation sheet | Midori Sotokawa, Koki Ikarashi, Hideki Hirotsuru | 2018-01-30 |
| 8491817 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Katsutoshi Komeya +1 more | 2013-07-23 |
| 8482192 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Katsutoshi Komeya +1 more | 2013-07-09 |
| 8475680 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Katsutoshi Komeya +1 more | 2013-07-02 |
| 8450923 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Katsutoshi Komeya +1 more | 2013-05-28 |
| 7612006 | Conductive silicon nitride materials and method for producing the same | Katsutoshi Komeya, Takeshi Meguro, Tomofumi Katashima, Toru Wakihara | 2009-11-03 |