Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8491817 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami +1 more | 2013-07-23 |
| 8482192 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami +1 more | 2013-07-09 |
| 8475680 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami +1 more | 2013-07-02 |
| 8450923 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Ryosuke Hiramatsu, Junichi Tatami +1 more | 2013-05-28 |
| 8105502 | Luminescent material | Yumi Fukuda, Jun-ichi Tatami, Hironori Asai, Naotoshi Matsuda, Toru Wakihara +2 more | 2012-01-31 |
| 7638934 | Fluorescent substance and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Hironori Asai, Naotoshi Matsuda, Ryosuke Hiramatsu +3 more | 2009-12-29 |
| 7612006 | Conductive silicon nitride materials and method for producing the same | Junichi Tatami, Takeshi Meguro, Tomofumi Katashima, Toru Wakihara | 2009-11-03 |
| 4879263 | Sliding member of high strength and high abrasion resistance | — | 1989-11-07 |
| 4756976 | Ceramic with anisotropic heat conduction | Akihiko Tsuge | 1988-07-12 |
| 4693857 | Method for production of sintered article of silicon nitride | Michiyasu Komatsu | 1987-09-15 |
| 4680278 | Process for preparing aluminum nitride powder | Hiroshi Inoue, Akihiko Tsuge | 1987-07-14 |
| 4615863 | Process for production of readily sinterable aluminum nitride powder | Hiroshi Inoue, Akihiko Tsuge | 1986-10-07 |
| 4572844 | Method for preparing coated powder | Hiroshi Inoue, Akihiko Tsuge | 1986-02-25 |
| 4539298 | Highly heat-conductive ceramic material | Akihiko Tsuge, Hiroshi Inoue, Hiroyasu Ohta | 1985-09-03 |
| 4514370 | Process for preparing silicon nitride powder | Hiroshi Inoue, Akihiko Tsuge, Kazunari Koide, Masaaki Mori, Tetsuro Urakawa | 1985-04-30 |
| 4511525 | Process for producing sintered silicon nitride-base body | Akihiko Tsuge, Michiyasu Komatsu, Hiroshi Inoue | 1985-04-16 |
| 4435513 | Sintered bodies of aluminum nitride | Akihiko Tsuge, Hiroshi Inoue | 1984-03-06 |
| 4428916 | Method of making .alpha.-silicon nitride powder | Hiroshi Inoue, Shigeru Matake, Hiroshi Endo | 1984-01-31 |
| 4412009 | Sintered Si.sub.3 N.sub.4 body | Michiyasu Komatsu, Akihiko Tsuge, Akio Ando | 1983-10-25 |
| 4368180 | Method for producing powder of .alpha.-silicon nitride | Hiroshi Inoue, Akihiko Tsuge | 1983-01-11 |
| 4327187 | Method of producing sintered body of ceramics | Michiyasu Komatsu, Akihiko Tsuge, Akio Ando | 1982-04-27 |
| 4264565 | Method for producing powder of .alpha.-silicon nitride | Hiroshi Inoue, Akihiko Tsuge | 1981-04-28 |
| 4226841 | Method of producing silicon carbide powder | Hiroshi Inoue, Haruo Kudo, Hiroshi Endo | 1980-10-07 |
| 4196171 | Apparatus for making a single crystal of III-V compound semiconductive material | Masayuki Watanabe, Masahiro Nakajima | 1980-04-01 |