Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9140958 | Optical element, light source device, and optical element production method | Masaki Harada, Kenichi Muramatsu | 2015-09-22 |
| 8669121 | Method for forming polarization reversal | Futoshi Yamamoto, Junichiro Ichikawa, Satoshi Oikawa, Kenji Kitamura | 2014-03-11 |
| 8524509 | Method for forming polarization reversal | Futoshi Yamamoto, Junichiro Ichikawa, Satoshi Oikawa, Kenji Kitamura | 2013-09-03 |
| 8422120 | Wavelength conversion element, wavelength conversion method, phase matching method, and light source device | Kenichi Muramatsu | 2013-04-16 |
| 8293543 | Method for forming polarization reversal | Futoshi Yamamoto, Junichiro Ichikawa, Satoshi Oikawa, Kenji Kitamura | 2012-10-23 |
| 8264766 | Wavelength conversion element, wavelength conversion method, phase matching method, and light source device | Kenichi Muramatsu | 2012-09-11 |
| 8193004 | Method for forming ferroelectric spontaneous polarization reversal | Futoshi Yamamoto, Junichiro Ichikawa, Satoshi Oikawa, Kenji Kitamura | 2012-06-05 |
| 7985294 | Optical device and method of manufacturing the same | Futoshi Yamamoto, Katsutoshi Kondou, Junichiro Ichikawa, Masaru Nakamura, Shunji Takekawa +1 more | 2011-07-26 |
| 7878205 | Manufacturing method for QPM wavelength converter elements, QPM wavelength converter element, and medical laser apparatus using it | Tsuyoshi Yamada | 2011-02-01 |
| 7689067 | Nested modulator | Junichiro Ichikawa, Kaoru Higuma, Futoshi Yamamoto, Satoshi Oikawa, Shingo Mori +4 more | 2010-03-30 |
| 7446930 | Method of inverting polarization by controlling defect density or degree of order of lattice points | Kenji Kitamura, Masaru Nakamura, Shunji Takekawa, Kazuya Terabe, Shunichi Hishida +1 more | 2008-11-04 |
| 7413430 | Crystal base plate and pressing device | Masaki Harada | 2008-08-19 |
| 7403327 | Wavelength conversion element having multi-gratings and light generating apparatus using said element, and wavelength conversion element having cylindrical ferroelectric single crystals and light generating apparatus using said element | Kenji Kitamura, Masaru Nakamura, Shunji Takekawa | 2008-07-22 |
| 7329316 | Manufacturing method for QPM wavelength converter elements, QPM wavelength converter element, and medical laser apparatus using it | Tsuyoshi Yamada | 2008-02-12 |
| 7261778 | Method of producing quasi phase-matching crystal and quasi phase-matching crystal | Masaki Harada | 2007-08-28 |
| 7260280 | Optical device | Masayuki Ichioka, Junichiro Ichikawa, Kenji Kitamura | 2007-08-21 |
| 7206122 | Optical communication-use wavelength conversion device | Masaki Harada | 2007-04-17 |
| 7177070 | Wavelength conversion element | Masaki Harada | 2007-02-13 |
| 7174059 | Optical device | Satoshi Oikawa, Junichiro Ichikawa, Futoshi Yamamoto, Kenji Kitamura | 2007-02-06 |
| 7106496 | Element for wavelength conversion and/or optical computing | Takunori Taira, Hirokazu Taniguchi | 2006-09-12 |
| 6814800 | Method for treating photorefractive effect of an optical device and photorefractive effect-suppressed optical frequency conversion device | Kenji Kitamura, Shunji Takekawa, Masaru Nakamura | 2004-11-09 |
| 6738397 | Solid-state light source apparatus | Shuhei Yamamoto, Yoshihito Hirano, Ichiro Shoji, Takunori Taira | 2004-05-18 |
| 5380410 | Process for fabricating an optical device for generating a second harmonic optical beam | Ippei Sawaki, Michio Miura | 1995-01-10 |
| 5249191 | Waveguide type second-harmonic generation element and method of producing the same | Ippei Sawaki, Michio Miura | 1993-09-28 |