YS

Yasumasa Sawai

MC Minolta Co.: 24 patents #42 of 1,416Top 3%
KO Konica Minolta Opto: 16 patents #12 of 418Top 3%
KM Konica Minolta: 9 patents #316 of 2,718Top 15%
Overall (All Time): #54,572 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
10775684 Optical unit and projector therewith Masahiro Terada, Masayuki Imaoka, Sadanobu Imamura 2020-09-15
10578845 Illumination optical system and projector Masayuki Imaoka 2020-03-03
10481309 Prism unit and projector 2019-11-19
10324362 Optical unit and projector therewith Masahiro Terada, Masayuki Imaoka, Sadanobu Imamura 2019-06-18
10145988 Projection lens and projector with laser beam light source Miyuki Teramoto, Koji Takahara 2018-12-04
9952424 Image projection apparatus 2018-04-24
9874806 Color splitting/combining prism, and optical system and projector therewith Koji Takahara 2018-01-23
9866806 Prism unit and projector Miyuki Teramoto, Koji Takahara, Masahiro Terada 2018-01-09
9612516 Projection type image display apparatus Norio Maeda, Kohei Wataru, Kazuhiko Inoue, Masahiro Terada, Takashi Ohta 2017-04-04
9010944 Projection type image display apparatus Norio Maeda, Kohei Wataru, Kazuhiko Inoue, Masahiro Terada, Takashi Ohta 2015-04-21
8998423 Image Projection apparatus 2015-04-07
8864315 Image projection apparatus 2014-10-21
8770760 Image projection device 2014-07-08
8696133 Projection optical system and image projecting device Masayuki Imaoka, Kohtaro Hayashi, Jun Ishihara 2014-04-15
8408709 Illumination optical system and projector Iwao P. Adachi 2013-04-02
8228443 Video projection device 2012-07-24
8159123 Light emitting device, light-emitting module, lighting apparatus, and image projection apparatus Kenji Konno 2012-04-17
8061855 Projection apparatus 2011-11-22
7943893 Illumination optical system and image projection device having a rod integrator uniformizing spatial energy distribution of diffused illumination beam 2011-05-17
7920331 Anamorphic converter and image projection system Kazuhiko Inoue 2011-04-05
7850314 Light-emitting module and image projection apparatus using same Kenji Konno 2010-12-14
7784950 Image projecting apparatus having variable stop 2010-08-31
7530697 Illumination optics and image projecting apparatus having thereof Kazuhiko Inoue 2009-05-12
7518803 Dichroic prism, and prism unit and image projection apparatus employing same Tomokazu Taguchi, Yasuyuki Nomura 2009-04-14
7434944 Image projection apparatus Tomiei Kuwa 2008-10-14