TS

Tomio Sonehara

SE Seiko Epson: 37 patents #340 of 7,774Top 5%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
Overall (All Time): #86,760 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5589955 Optical device and optical machining system using the optical device Jun Amako, Hirotsuna Miura 1996-12-31
5497254 Optical apparatus including a liquid crystal modulator Jun Amako, Hirotsuna Miura, Yoshio Watanabe 1996-03-05
5440424 Prism optical device and polarizing optical device Jin-Jei Wu, Shoichi Uchiyama, Yoshitaka Itoh 1995-08-08
5361151 Reflection-type liquid crystal device with polarization of output light perpendicular to that of input light Osamu Okumura 1994-11-01
5241407 Projection-type display device Shuji Aruga, Shinji Morozumi 1993-08-31
5105289 Reflection type electrooptical device and a projection type display apparatus using the same Chiharu Ito 1992-04-14
5098183 Dichroic optical elements for use in a projection type display apparatus 1992-03-24
5075798 Projection-type display device Shuji Aruga, Shinji Morozumi 1991-12-24
5073013 Projection-type display device Shuji Aruga, Shinji Morozumi 1991-12-17
5053765 Light guide type display apparatus Jun Sugiyama, Shinji Morozumi 1991-10-01
4870484 Color display device using light shutter and color filters 1989-09-26
4850685 Projection-type color display device Hiroshi Kamakura, Takeshi Ono, Junichi Nakamura, Akitaka Yajima 1989-07-25
4560982 Driving circuit for liquid crystal electro-optical device Masami Murata, Tadashi Ota 1985-12-24