1
Makoto Ohara, Hirotsugu Tomizawa, Shinichirou Sugiura: Information display system for electronically reading a book. Kabushiki Kaisha Sega Enterprises, Price Gess & Ubell, January 16, 1996: US05485176 (165 worldwide citation)

An information display system having a housing with a location for receiving a document such as a book is provided. A location detection circuit is mounted on the housing adjacent the document and can determine any subjective selection of a location on the document. The document can have a plurality ...


2
Makoto Ohara, Hirotsugu Tomizawa, Shinichirou Sugiura: Information display system for electronically reading a book. Sega Enterprises, Price and Gess, October 2, 2001: US06297812 (57 worldwide citation)

An information display system having a housing with a location for receiving a document such as a book is provided. A location detection circuit is mounted on the housing adjacent the document and can determine any subjective selection of a location on the document. The document can have a plurality ...


3
Makoto Ohara, Hirotsugu Tomizawa, Shinichirou Sugiura: Information display system for electronically reading a book. Sega Enterprises, Price Gess & Ubell, April 18, 2000: US06052117 (31 worldwide citation)

An information display system having a housing with a location for receiving a document such as a book is provided. A location detection circuit is mounted on the housing adjacent the document and can determine any subjective selection of a location on the document. The document can have a plurality ...


4
Akira Takasaka, Eiji Takuma, Hirotsugu Tomizawa: Air action toy system. Sega Enterprises, Price Gess & Ubell, March 3, 1992: US05092808 (6 worldwide citation)

There is disclosed an action toy system comprising a base, an air blower, and unit toys connected with holes formed in the surface of the base. The blower blows air into the unit toys through the base and the holes to cause the toys to perform action.


5
Yoshifumi Ishimura, Hirotsugu Tomizawa: Position detector. Sega Enterprises, Dickstein Shapiro Morin & Oshinsky, October 22, 2002: US06469696 (1 worldwide citation)

There is provided a position detector including a member having a surface and a plurality of vertically and horizontally arranged antennas; a controller for sequentially driving the vertically arranged antennas in vertical positive and vertical negative directions, and for sequentially driving the h ...