YT

Yasushi Tomioka

HI Hitachi: 2 patents #771 of 3,950Top 20%
Overall (2002): #34,760 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6483564 Liquid crystal display apparatus Sukekazu Aratani, Yoshiyuki Umeda, Hisao Yokokura, Katsumi Kondo, Setsuo Kobayashi 2002-11-19
6441880 Normally closed liquid crystal display device using spacers coated with material having liquid crystal aligning ability by irradiation with polarized light Yuka Utsumi, Masatoshi Wakagi, Yasunari Maekawa, Sukekazu Aratani, Katsumi Kondo +1 more 2002-08-27