1
Kenjiro Yagi, Yuji Koike, Hirotomo Hirai: Liquid crystal display device. Kabushiki Kaisha Daini Seikosha, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, April 12, 1977: US04017155 (31 worldwide citation)

A liquid crystal display device includes a display panel comprised of upper and lower transparent plates having a liquid crystal material sandwiched therebetween. A reflecting plate having a roughened upper surface is disposed beneath the lower transparent plate with the roughened surface facing the ...


2
Hirotomo Hirai, Kenjiro Yagi: Reflective plates for a liquid crystal display device. Kabushiki Kaisha Daini Seikosha, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, October 5, 1976: US03984176 (24 worldwide citation)

Reflective plates for liquid crystal display devices are provided. These plates comprise a composite of a transparent base material as a matrix and having incorporated therein a plurality of small transparent grains or granules. These granules have a different refraction ratio from the matrix materi ...


3
Tokio Moriya, Hirotomo Hirai: Switching system for an electronic timepiece. Kabushiki Kaisha Daini Seikosha, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, August 31, 1976: US03978296 (22 worldwide citation)

A switching system for an electronic timepiece has: a plurality of display sections which are individually activated in response to movement of manual member for effecting an amendment of said display sections. A switching mechanism is operated by axial movement and rotational movement of said manua ...


4
Kenjiro Yagi, Hirotomo Hirai: Electronic display device. Kabushiki Kaisha Daini Seikosha, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, May 20, 1980: US04204205 (18 worldwide citation)

An electronic display device comprises a display panel superposed on a printed circuit board with electrodes being disposed on the facing surfaces of both the display panel and the printed circuit board. An electrically conductive rubber connector electrically interconnects the electrodes in a prede ...