Average Co-Inventor Count = 2.78
ph-index = 19
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. Seiko Epson Corporation (117 from 33,464 patents)
2. Other (1 from 832,880 patents)
3. Ngk Insulators, Inc. (1 from 4,920 patents)
4. Noboru Tamura (0 patent)
5. Kenji Tsukada (0 patent)
6. Munehide Kanaya (0 patent)
7. Minoru Usui (0 patent)
118 patents:
1. D962941 - Recording apparatus
2. 10682859 - Multifunction peripheral
3. 10315428 - Printing device
4. 10293613 - Multifunction peripheral
5. 10195860 - Liquid supply apparatus and liquid consuming apparatus
6. 10183495 - Liquid supply device, printing apparatus and liquid ejection system
7. D836113 - Recording apparatus
8. 10118401 - Liquid supply apparatus, liquid ejection apparatus
9. 10105961 - Liquid supply device including liquid container and external member, and printing device including same
10. 10105959 - Liquid supplying apparatus, liquid ejecting apparatus, and liquid container unit
11. 10040295 - Liquid supply device, and liquid ejection system
12. 9969175 - Liquid container
13. 9962946 - Liquid ejecting system
14. 9950535 - Liquid container, liquid container unit, liquid ejection system and liquid ejection apparatus
15. 9908352 - Liquid ejection system, ventilation unit, liquid supply apparatus