TK

Takehito Kawasumi

Canon: 20 patents #3,238 of 19,416Top 20%
DI Disco: 1 patents #384 of 708Top 55%
Overall (All Time): #203,433 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11879717 Measuring apparatus Nobuyuki Kimura 2024-01-23
11754914 Light source apparatus and image projection apparatus 2023-09-12
11656541 Light source apparatus and image projection apparatus having the same Yuuki Maeda 2023-05-23
11561461 Light source apparatus and image projection apparatus Tomohisa AIDA 2023-01-24
11006084 Color separation and combination optical system and image projection apparatus having the same 2021-05-11
10768518 Light source apparatus and image projection apparatus having the same 2020-09-08
10712647 Illumination apparatus and image projection apparatus 2020-07-14
10670947 Image projection apparatus that projects superimposed images 2020-06-02
10564528 Image projection apparatus including light modulation elements Hiroyuki Kodama, Yuuki Maeda 2020-02-18
10133169 Light source optical system and projection display apparatus employing the same 2018-11-20
10082731 Illumination apparatus and projection display apparatus using the same 2018-09-25
10073330 Illumination apparatus and projection type display apparatus Kazuhiro Inoko 2018-09-11
10015455 Optical apparatus and image projection apparatus having multiple reflective light modulators and multiple dichroic surface that separate light into multiple color lights and combines them 2018-07-03
9921462 Light source optical system and projection display apparatus employing the same 2018-03-20
9851631 Light source optical system and projection display apparatus employing the same Kazuhiro Inoko 2017-12-26
9638992 Illumination optical system and image projection apparatus 2017-05-02
9436073 Illumination optical system and image projection apparatus 2016-09-06
9389427 Optical system and projection display apparatus using the same Hiroyuki Kodama 2016-07-12
8955977 Projection-type image display apparatus Yutaka Yamaguchi 2015-02-17
8857996 Illumination optical system and image projection apparatus 2014-10-14
8702240 Image display apparatus 2014-04-22