KY

Katsumasa Yoshii

AC Alps Electric Co.: 21 patents #42 of 2,177Top 2%
Samsung: 9 patents #14,526 of 75,807Top 20%
CH Chisso: 1 patents #468 of 833Top 60%
📍 Yongin-si, KR: #743 of 9,683 inventorsTop 8%
Overall (All Time): #123,817 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
11741739 Fingerprint sensor and display device including the same Eun Jin Sung, Ji-Hun Ryu, Yun Ho Kim, Il Nam Kim, Won-Sang Park +1 more 2023-08-29
10977468 Optical unit for a fingerprint sensor and display device including the same Ji-Hun Ryu, Yun Ho Kim, Il Nam Kim, Eun Jin Sung 2021-04-13
10817696 Fingerprint sensor package and display device including the same Ji-Hun Ryu, Yun Ho Kim, Il Nam Kim, Han-Yung Jung 2020-10-27
10509944 Method and device for recognizing fingerprint Il Nam Kim 2019-12-17
10278652 Display apparatus Young-chan Kim 2019-05-07
9640782 Organic light-emitting display apparatus and method of manufacturing the same Man-Seob Choi 2017-05-02
9484554 Organic light-emitting display apparatus Minwoo Kim, Manseob Choi, Geebum Kim 2016-11-01
9356079 Organic light-emitting display apparatus and method of manufacturing the same Man-Seob Choi 2016-05-31
9232571 Flexible display device Yi Joon Ahn, Jong-In Baek, Dae-Sung Choi, Yong-Seok Yeo, Ki Seo Kim 2016-01-05
7542113 Reflector used in LCD devices having a plurality of convace portions each inner surface thereof having first and second flat surfaces perpendicular to respective first and second directions Chie Chikira 2009-06-02
7515226 Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same Tatsuya Moriike, Kenji Omote, Mitsuru Kano 2009-04-07
7471356 Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same Tatsuya Moriike, Kenji Omote, Mitsuru Kano 2008-12-30
7388634 Reflector comprising a plurality of concave portions and liquid crystal display device including the same Mitsuru Kano 2008-06-17
7321407 Reflector and liquid crystal display 2008-01-22
7312842 Reflector and liquid crystal display device 2007-12-25
7245339 Transflective film and liquid crystal display device Mitsuru Kano 2007-07-17
7123324 Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same Tatsuya Moriike, Kenji Omote, Mitsuru Kano 2006-10-17
6966662 Reflector and liquid crystal display device Chie Chikira 2005-11-22
6963381 Active matrix display device with asymmetrical reflection, and insulating layer with a corrugated surface and a flat portion Mitsuru Kano, Yuzo Hayashi, Hiroyuki Hebiguchi, Masahiko Yamaguchi 2005-11-08
6947107 Reflector which appears bright when viewed at specific angle and reflective liquid crystal display Tatsuya Moriike, Kinji Omote, Mitsuru Kano 2005-09-20
6912028 Liquid crystal display device with improved viewing angle properly and portable electronic apparatus using the same Tatsuya Moriike, Mitsuru Kano 2005-06-28
6863410 Reflector which exhibits good reflectance over wide angle range and liquid crystal display using the same Kenji Omote, Mitsuru Kano 2005-03-08
6864934 LCD with irregular reflection surface reflector and light scattering element Tetsushi Tanada 2005-03-08
6829094 Reflector which exhibits good reflectance over wide angle range and liquid crystal display using the same Kenji Omote, Mitsuru Kano 2004-12-07
6750930 Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same Tatsuya Moriike, Kenji Omote, Mitsuru Kano 2004-06-15