Tetsuo Muto has been granted 7 US patents while listed as an inventor at Casio Computer Co. . The first was granted in 1991 and the most recent in July 2009. Tetsuo Muto ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Tetsuo Muto in Tama, JP.
Patents per Year Patents granted per year, 1991 to 2009 Bar chart with a peak of 2 patents in 2001. peak 2 1991: 1 patents 1991 2000: 1 patents 2000 2001: 2 patents 2001 2003: 1 patents 2003 2009: 2 patents 2009
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7564517 Surface light source and liquid crystal display device using the same Yasuhiro Daiku 2009-07-21
$117,000
7477220 Three-dimensional liquid crystal display device — 2009-01-13
6556258 Display device using ambient light a lighting panel Tetsushi Yoshida , Masaru Higuchi , Hisashi Aoki 2003-04-29
6310683 Apparatus for reading fingerprint Minoru Fujiwara , Makoto Sasaki , Hiromitsu Ishii 2001-10-30
6224223 Illumination panel and display device using the same Masaru Higuchi , Minoru Fujiwara , Yasuhiro Daiku 2001-05-01
6025894 Scatter control member for organic electroluminescent light source for passing light with or without scattering depending upon an incident angle Tomoyuki Shirasaki , Hiroyasu Yamada , Masaharu Shioya , Tetsushi Yoshida , Manabu Takei +1 more 2000-02-15
5058998 Liquid crystal display devide with a twisted alignment state Tetsushi Yoshida , Toshiyuki Matsuda , Naoshige Sugimoto 1991-10-22
