Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7517406 | Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the same | Atsushi Ohido, Kazuhito Yamasawa, Shinichiro Kakei, Kazuya Shimakawa, Katsunori Hosoya | 2009-04-14 |
| 7333261 | Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same crucible for producing the same | Atsushi Ohido, Kazuhito Yamasawa, Shinichiro Kakei, Kazuya Shimakawa, Katsunori Hosoya | 2008-02-19 |
| 7242516 | Hard magnetic garnet material, faraday rotator, optical device, optical communication system, method of manufacturing faraday rotator and method of manufacturing bismuth-substituted rare earth iron garnet single crystal | Atsushi Ohido, Kazuhito Yamasawa | 2007-07-10 |
| 7187496 | Manufacturing method of optical device, optical device, manufacturing method of faraday rotator, and optical communication system | Atsushi Ohido | 2007-03-06 |
| 7133189 | Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the same | Atsushi Ohido, Kazuhito Yamasawa, Shinichiro Kakei, Kazuya Shimakawa, Katsunori Hosoya | 2006-11-07 |
| 6775052 | HARD MAGNETIC GARNET MATERIAL, FARADAY ROTATOR, OPTICAL DEVICE, OPTICAL COMMUNICATION SYSTEM, METHOD OF MANUFACTURING FARADAY ROTATOR AND METHOD OF MANUFACTURING BISMUTH-SUBSTITUTED RARE EARTH IRON GARNET SINGLE CRYSTAL | Atsushi Ohido, Kazuhito Yamasawa | 2004-08-10 |
| 6526072 | Wavelength conversion device composed of single-crystal lithium tetraborate, laser apparatus provided with the same and method of converting wavelength using the same | Hiroyuki Shiraishi, Ryuichi Komatsu, Valentin Petrov | 2003-02-25 |
| 6391229 | Borate crystal, growth method of the same and laser equipment using the same | Noriko Watanabe, Genta Masada, Hiroyuki Shiraishi, Yasuhiro Hanaue, Ryuichi Komatsu +2 more | 2002-05-21 |
| 5805626 | Single-crystal lithium tetraborate and method making the same, optical converting method and converter device using the single-crystal lithium tetraborate, and optical apparatus using the optical converter device | Ryuichi Komatsu, Masakuni Takahashi | 1998-09-08 |