Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677000 | Fluorophor and method for production thereof and illuminator | Naoto Hirosaki, Rong Xie | 2017-06-13 |
| 8883039 | Fluorophor and method for production thereof and illuminator | Naoto Hirosaki, Rong Xie | 2014-11-11 |
| 7910023 | Lithium-containing sialon phosphor and method of manufactring the same | Rong Xie, Naoto Hirosaki, Yoshinobu Yamamoto | 2011-03-22 |
| 7906040 | α-Sialon, α-sialon phosphor and method for producing the same | Naoto Hirosaki, Hideyuki Emoto, Masahiro Ibukiyama | 2011-03-15 |
| 7858997 | Light emitting apparatus and light emitting method | Naoki Yoshimura, Yoshinobu Suehiro, Yuji Takahashi, Koichi Ota, Tadashi Endo +1 more | 2010-12-28 |
| 7825580 | Fluorophor and method for production thereof and illuminator | Naoto Hirosaki, Rong Xie | 2010-11-02 |
| 7186391 | Sintered compact of lanthanum sulfide or cerium sulfide and method for preparing the same | Yoichiro Uemura, Toshiyuki Nishimura, Shinji Hirai, Kazuyoshi Shimakage | 2007-03-06 |
| 6776927 | Oxynitride phosphor activated by a rare earth element, and sialon type phosphor | Tadashi Endo, Kyouta Ueda, Masakazu Komatsu | 2004-08-17 |
| 6737378 | Silicon nitride sintered products and processes for their production | Naoto Hirosaki, Toshiyuki Nishimura, Yoshinobu Yamamoto | 2004-05-18 |
| 6632379 | Oxynitride phosphor activated by a rare earth element, and sialon type phosphor | Tadashi Endo, Kyouta Ueda, Masakazu Komatsu | 2003-10-14 |
| 6589899 | Spinel type sialon, spinel type silicon oxynitride and methods for producing their powders | Toshimori Sekine, Hongliang He, Takamichi Kobayashi, Koji Kimoto | 2003-07-08 |
| 6579819 | Silicon nitride sintered products and processes for their production | Naoto Hirosaki, Toshiyuki Nishimura, Yoshinobu Yamamoto | 2003-06-17 |
| 5672553 | Superplastic silicon nitride sintered body | Hideki Hirotsuru, Hisayuki Suematsu, Toshiyuki Nishimura | 1997-09-30 |
| 5591685 | Superplastic silicon carbide sintered body | Hideki Hirotsuru, Youngwook Kim | 1997-01-07 |
| 5472919 | .beta.-silicon nitride sintered body | Naoto Hirosaki, Motohide Ando | 1995-12-05 |
| 5401450 | .beta.-silicon nitride sintered body and method of producing same | Naoto Hirosaki, Motohide Ando | 1995-03-28 |
| 4851205 | Alpha-sialon powder and process for its production | — | 1989-07-25 |
| 4643859 | Process for the production of fine non-oxide powders from alkoxides | Yuji Yoshioka | 1987-02-17 |
| 4438051 | Process for producing a translucent .beta.-sialon sintered product | Yusuke Moriyoshi, Toshikazu Sakai, Toshiaki Osaka | 1984-03-20 |
| 4310499 | Process for producing SIALON sintered product | Nobuyuki Kuramoto, Yoshizo Inomata | 1982-01-12 |