Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399854 | Silicon nitride powder, silicon nitride sintered body and circuit substrate, and production method for said silicon nitride powder | Michio Honda, Shinsuke Jida | 2019-09-03 |
| 9085462 | Silicon nitride powder production method, silicon nitride powder, silicon nitride sintered body and circuit substrate using same | Koji Shibata, Takuji Ohmaru, Masataka Fujinaga, Michio Honda, Takayuki Fujii | 2015-07-21 |
| 9022343 | Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same | Michio Honda, Shinsuke Jida | 2015-05-05 |
| 8973888 | Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same | Takayuki Fujii, Shinsuke Jida | 2015-03-10 |
| 8864481 | Mold for casting polycrystalline silicon ingot, and silicon nitride powder for mold release material thereof, slurry containing silicon nitride powder for mold release layer thereof and mold release material for casting thereof | Michio Honda, Shinsuke Jida | 2014-10-21 |
| 8628687 | Sialon-based oxynitride phosphor and production method thereof | Tetsuo Yamada, Shin-ichi Sakata | 2014-01-14 |
| 8277686 | Sialon phosphor particles and production method thereof | Shin-ichi Sakata, Tetsuo Yamada | 2012-10-02 |
| 8148886 | Red nitride phosphor and production method thereof | Shin-ichi Sakata, Tetsuo Yamada | 2012-04-03 |
| 7258818 | Production method of sialon-based phosphor, and sialon-based phosphor | Shin-ichi Sakata, Tetsuo Yamada | 2007-08-21 |
| 5641434 | Silicon nitride powder | Tetsuo Yamada, Tetsuo Nakayasu | 1997-06-24 |
| 5595718 | Process for producing a crystalline silicon nitride powder | Tetsuo Yamada, Yasukazu Kondo, Hideo Nakamura, Tadayuki Mitani | 1997-01-21 |
| 5585084 | Silicon nitride powder | Tetsuo Yamada, Keiichiro Watanabe, Youky Bessyo | 1996-12-17 |