Average Co-Inventor Count = 3.44
ph-index = 11
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. Hitachi, Ltd. (22 from 42,485 patents)
2. Asahi Kasei Chemicals Corporation (5 from 510 patents)
3. Hitachi Software Engineering Company, Ltd. (3 from 228 patents)
4. Hitachi Electronics Services Co. Ltd. (3 from 12 patents)
5. Asahi Kasei Kabushiki Kaisha (2 from 942 patents)
29 patents:
1. 7964674 - Hydrogenated copolymer and composition containing the same
2. 7960481 - Hydrogenated copolymer and composition containing the same
3. 7935756 - Hydrogenated block copolymer and composition thereof
4. 7760075 - Traceability system
5. 7482932 - Traceability system
6. 7397374 - Traceability system
7. 7371805 - Hydrogenated copolymer and composition thereof
8. 7279532 - Modified hydrogenated copolymer
9. 7183923 - Traceability system
10. 6889897 - Bill receiving/paying device and automated cash transaction apparatus
11. 6857562 - Electronic money system of token and value mixed type
12. 6852806 - Hydrogenated copolymer
13. 6779728 - Banknote receipt and pay-out apparatus
14. 6767969 - Hydrogenated polymer
15. 6565082 - Bill receiving and discharging device and bill handling apparatus