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, Shinichirou Sugiura: Information storage system and book device for providing information in response to the user specification. Sega Enterprises, Price Gess & Ubell, April 14, 1998: US05739814 (101 worldwide citation)

An electronic book which can store, in a ROM, a computer program, is integrated with graphic and textual material on a series of pages. Various input devices such as a finger, a light pen, a touch pen, etc. can be utilized with a sensing circuit combined with the page for inputting data into the com ...


3
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 ...


4
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 ...