Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834834 | Apparatus for supplying Zn—Al alloy to molten zinc pot | Mikio Kawamura, Masaaki Omodaka, Hideki Nishimura | 2017-12-05 |
| 9575402 | Illumination optical system with light-compressing lens arrays having no optical power on one section and image projection apparatus having the same | Yuuki Maeda, Takashi Sudo, Hiroyuki Kodama | 2017-02-21 |
| 9458530 | Method of supplying Zn—Al alloy to molten zinc pot, method of adjusting concentration of Al in molten zinc bath, and apparatus for supplying Zn—Al alloy to molten zinc pot | Mikio Kawamura, Masaaki Omodaka, Hideki Nishimura | 2016-10-04 |
| 9187813 | Method and device for removing metal fumes inside snout in continuous hot-dip plating plant | Mikio Kawamura, Kuniaki YAMAMOTO, Tokuhiro Mizuno, Noboru Furuta | 2015-11-17 |
| 9068254 | Flow regulating member of hot dip coating tank and continuous hot dip coating system | Mikio Kawamura, Tsukasa Oyama, Masaaki Omodaka, Noboru Furuta, Koichi Nishizawa | 2015-06-30 |
| 8887661 | Flow regulating member of hot dip coating tank and continuous hot dip coating system | Mikio Kawamura, Tsukasa Oyama, Masaaki Omodaka, Makoto Kusama, Koichi Nishizawa | 2014-11-18 |
| 8727537 | Image projection apparatus and color separation/combination optical system | Yuuki Maeda | 2014-05-20 |
| 8704143 | Image projection apparatus utilizing reflective image display element and plural parallel plates for a plurality of color light (as amended) | Kazuhiro Inoko | 2014-04-22 |
| 8109637 | Wavelength-selective polarization conversion element for generating two light components having polarization directions and wavelength regions different from each other, illumination optical system, and image projection apparatus including the element | Atsushi Okuyama | 2012-02-07 |
| 8035758 | Image display apparatus with light path separation to return a polarized light component | Hiroyuki Kodama | 2011-10-11 |
| 7980701 | Color combining optical system and image projection apparatus using the same | Hiroyuki Kodama | 2011-07-19 |
| 7976166 | Optical system for image projection and image projection apparatus including a polarization beam splitting surface | Atsushi Okuyama, Takashi Sudo, Ryota Kadowaki | 2011-07-12 |
| 7935920 | Illumination optical system including luminous flux conversion system | Atsushi Okuyama, Hiroyuki Kodama, Takashi Sudo | 2011-05-03 |
| 7878659 | Illumination optical system and projection-type image display apparatus using the same | Ryota Kadowaki | 2011-02-01 |
| 7631972 | Wavelength-selective polarization conversion element, illumination optical system, projection display optical system, and image projection apparatus | Reona Ushigome | 2009-12-15 |
| 7472995 | Wavelength-selective polarization conversion element, projection displaying optical system and image projection apparatus | Atsushi Okuyama, Reona Ushigome | 2009-01-06 |