Average Co-Inventor Count = 2.28
ph-index = 5
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. Fujitsu Corporation (4 from 39,230 patents)
2. Kabushiki Kaisha Toshiba (3 from 52,722 patents)
3. Nippon Zeon Company, Ltd. (1 from 598 patents)
7 patents:
1. 5608540 - Preferential recording system for a facsimile apparatus
2. 5422450 - Vacuum circuit breaker actuating assembly
3. D350729 - Vacuum circuit breaker
4. D350731 - Vacuum valve for a vacuum circuit breaker
5. 5050006 - Multi-address calling system
6. 4654292 - Photoresist composition containing a pyrazole compound anti-halation
7. 4646160 - Facsimile apparatus