Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12349532 | Light-emitting element, light-emitting device, and method for manufacturing light-emitting element | Yasushi Asaoka, Kanako Nakata, Tatsuya Ryohwa | 2025-07-01 |
| 11398532 | Light-emitting device, light wavelength conversion device, and display device | Kenichi Yoshimura, TADASHI KOBASHI, Masashi Kago, Tatsuya Ryohwa | 2022-07-26 |
| 11377591 | Liquid composition, photoelectric conversion element production method, and photoelectric conversion element | Kanako Nakata, Tatsuya Ryohwa, Hiroshi Fukunaga, Youhei Nakanishi, Hisayuki Utsumi +1 more | 2022-07-05 |
| 11289667 | Light-emitting device with high electron injection efficiency | TADASHI KOBASHI, Yoshihiro Ueta, Noboru Iwata | 2022-03-29 |
| 10886442 | Phosphor containing particle, and light emitting device and phosphor containing sheet using the same | Tatsuya Ryohwa, Kanako Nakata, Hiroshi Fukunaga | 2021-01-05 |
| 10483441 | Phosphor containing particle, and light emitting device and phosphor containing sheet using the same | Tatsuya Ryohwa, Kanako Nakata, Hiroshi Fukunaga | 2019-11-19 |
| 10468563 | Light-emitting device and image display apparatus | Kenichi Yoshimura, Hiroshi Fukunaga | 2019-11-05 |
| 10400162 | Phosphor containing particle, and light emitting device and phosphor containing sheet using the same | Yasutaka Kuzumoto, Tatsuya Ryohwa, Mami MORISHITA, Noriyuki Yamazumi | 2019-09-03 |
| 10381528 | Image display apparatus | Kenichi Yoshimura, Shigetoshi Ito, Masamichi Harada, Hiroshi Fukunaga, Naoto Hirosaki | 2019-08-13 |
| 10381529 | Light-emitting device and display device | Kenichi Yoshimura, Hiroshi Fukunaga, Naoto Hirosaki | 2019-08-13 |
| 10295943 | Image forming apparatus and image forming method | YUSUKE SAKAKIBARA, KYOHKO MATSUDA | 2019-05-21 |
| 10263162 | Light emitting device and image displaying system | Kenichi Yoshimura, Tatsuya Ryohwa, Noriyuki Yamazumi | 2019-04-16 |
| 10256377 | Light-emitting device and image display apparatus | Noriyuki Yamazumi, Tatsuya Ryohwa, Kenichi Yoshimura, Hiroshi Fukunaga, Kanako Nakata | 2019-04-09 |
| 10181539 | Photoelectric conversion element and photoelectric conversion device including the same | Hirofumi Yoshikawa, Yasuhiko Arakawa, Takeo Kageyama | 2019-01-15 |
| 10174886 | Wavelength conversion member and light emitting device | Tatsuya Ryohwa, Mami MORISHITA, Noriyuki Yamazumi, Yasutaka Kuzumoto, Takuya Nakashima +1 more | 2019-01-08 |
| 9812617 | Light-emitting device and image display apparatus | Kenichi Yoshimura, Tatsuya Ryohwa | 2017-11-07 |
| 9741908 | Wavelength converting member, light-emitting device, and method for producing wavelength converting member | Kenichi Yoshimura, Masamichi Harada, Hiroshi Fukunaga, Kazunori Annen, Naoto Hirosaki +1 more | 2017-08-22 |
| 9716211 | Semiconductor phosphor nanoparticle, semiconductor phosphor nanoparticle-containing glass, light emitting device, and light emitting element | Yasutaka Kuzumoto, Tatsuya Ryohwa, Mami MORISHITA, Noriyuki Yamazumi | 2017-07-25 |
| 9601643 | Photoelectric conversion element | Hirofumi Yoshikawa, Yasuhiko Arakawa | 2017-03-21 |
| 9577160 | Light-emitting device and image display | Kenichi Yoshimura, Tatsuya Ryohwa, Junichi Kinomoto | 2017-02-21 |
| 9410079 | Phosphor nanoparticle and optical device including phosphor nanoparticle | Yasutaka Kuzumoto, Tatsuya Ryohwa | 2016-08-09 |
| 9240507 | Intermediate band solar cell using type I and type II quantum dot superlattices | Hirofumi Yoshikawa, Yasutaka Kuzumoto | 2016-01-19 |
| 8823258 | Light source, light-emitting device, light source for backlight, display device, and method for producing light source | Tatsuya Ryowa, Yoshitaka Tomomura, Kazunori Annen, Masato Ohno | 2014-09-02 |
| 8603364 | Phosphor | Noboru Iwata, Kazunori Annen | 2013-12-10 |
| 8513872 | Light emitting apparatus and method for manufacturing thereof | Kazunori Annen, Kimiko MIEDA, Kenichi Yoshimura, Hiroshi Fukunaga | 2013-08-20 |