Average Co-Inventor Count = 3.27
ph-index = 9
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. International Business Machines Corporation (9 from 164,108 patents)
9 patents:
1. 4739314 - Specifying measurements on a page by pointing
2. 4648071 - Designation of footnotes and footnote reference
3. 4648067 - Footnote management for display and printing
4. 4520457 - Key-controlled method for invoking automatic row and column addition in
5. 4506343 - Column layout reference area display management
6. 4503515 - Footnote assembly management
7. 4456969 - System for automatically hyphenating and verifying the spelling of words
8. 4358824 - Office correspondence storage and retrieval system
9. 4342085 - Stem processing for data reduction in a dictionary storage file