Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431620 | Phased array antenna | Kiyoshi Kobayashi, Mark Yeck, Bodhisatwa Sadhu, Arun Paidimarri | 2025-09-30 |
| 11463140 | Wireless communication device | — | 2022-10-04 |
| 11450957 | Wireless communication device | — | 2022-09-20 |
| 11438050 | Wireless communication system | — | 2022-09-06 |
| 11018718 | Wireless communication device and wireless communication method | — | 2021-05-25 |
| 10944456 | Wireless communication device | — | 2021-03-09 |
| 8824044 | Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator | Kensuke Ogawa, Ning Guan | 2014-09-02 |
| 8571206 | Information transmitting apparatus, information transmitting method, and computer product | Tetsuhiro Kodama, Jun Yajima, Arata Noguchi | 2013-10-29 |
| 8542970 | Planar optical waveguide element, chromatic dispersion compensator, optical filter, optical resonator and methods for designing the element, chromatic dispersion compensator, optical filter and optical resonator | Kensuke Ogawa, Ning Guan | 2013-09-24 |
| 8508119 | Phosphor and an incandescent lamp color light emitting diode lamp using the same | Koji Omichi, Naoki Kimura, Masakazu Ohashi, Daiichiro Tanaka, Naoto Hirosaki | 2013-08-13 |
| 8404133 | Manufacturing method of planar optical waveguide device with grating structure | Kensuke Ogawa, Kazuhiro Goi, Yong Tsong Tan, Ning Guan, Mingbin Yu +2 more | 2013-03-26 |
| 8270789 | Optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator | Kensuke Ogawa, Ning Guan | 2012-09-18 |
| 8270790 | Planar optical waveguide element, chromatic dispersion compensator, methods for designing chromatic dispersion compensator, optical filter, methods for designing optical filter, optical resonator and methods for designing optical resonator | Kensuke Ogawa, Ning Guan | 2012-09-18 |
| 8227178 | Manufacturing method of planar optical waveguide device with grating structure | Kensuke Ogawa, Kazuhiro Goi, Yong Tsong Tan, Ning Guan, Mingbin Yu +2 more | 2012-07-24 |
| 8148887 | Light emitting diode lamp and light emitting device | Naoto Hirosaki, Kyota Ueda, Hajime Yamamoto | 2012-04-03 |
| 8057705 | Sialon phosphor | Naoto Hirosaki | 2011-11-15 |
| 8053970 | Light emitting device and illumination device | Naoki Kimura, Ryuji Suzuki, Naoto Hirosaki | 2011-11-08 |
| 7608862 | Light emitting device and a lighting apparatus | Koji Omichi, Naoto Hirosaki | 2009-10-27 |
| 7597821 | Oxynitride phosphor and a light emitting device | Naoki Kimura, Naoto Hirosaki | 2009-10-06 |
| 7573190 | Light emitting element and lighting instrument | Naoto Hirosaki, Kyota Ueda, Hajime Yamamoto | 2009-08-11 |
| 7564065 | Light emitting device and a lighting apparatus | Naoto Hirosaki | 2009-07-21 |
| 7402943 | Oxynitride phosphor and a light emitting device | Naoto Hirosaki | 2008-07-22 |
| 7253446 | Light emitting device and illumination apparatus | Naoki Kimura, Koichiro Masuko, Naoto Hirosaki | 2007-08-07 |
| 7046881 | Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit device | Shimon Ishikawa, Tomoko Shikata, Hirokuni Ogawa, Hideyuki Hosoya, Akira Wada | 2006-05-16 |
| 7046872 | Optical switch, optical add-drop module, and optical communication system | Daigo Fujita, Hirokuni Ogawa, Koji Omichi, Hideyuki Hosoya | 2006-05-16 |