Average Co-Inventor Count = 2.43
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Sega Enterprises, Ltd. (6 from 264 patents)
2. Kabushiki Kaisha Sega Enterprises (2 from 145 patents)
3. Nippon Telegraph and Telephone Public Corporation (1 from 522 patents)
4. Sho-bond Construction Co., Ltd. (1 from 4 patents)
5. Communication Architecture and Building Research Corporation (1 from 2 patents)
8 patents:
1. 6839848 - Information processing system and peripheral apparatus
2. 6297812 - Information display system for electronically reading a book
3. 6052117 - Information display system for electronically reading a book
4. 5963199 - Image processing systems and data input devices therefor
5. 5739814 - Information storage system and book device for providing information in
6. 5485176 - Information display system for electronically reading a book
7. 5161803 - Television game apparatus
8. 4555295 - Adhesive filler apparatus