Average Co-Inventor Count = 2.99
ph-index = 13
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 (13 from 33,442 patents)
2. Canon Kabushiki Kaisha (10 from 90,697 patents)
3. Other (7 from 832,843 patents)
4. Mitsui Minings & Melting Co., Ltd. (4 from 817 patents)
5. Pioneer Electronic Corporation (3 from 2,861 patents)
6. Kawasaki Steel Corporation (3 from 1,256 patents)
7. Jx Nippon Oil Energy Corporation (3 from 331 patents)
8. Hitachi, Ltd. (2 from 42,496 patents)
9. Nec Corporation (1 from 35,705 patents)
10. Ricoh Company, Ltd. (1 from 28,566 patents)
11. Nissan Motor Company Limited (1 from 13,408 patents)
12. Tdk Corporation (1 from 7,968 patents)
13. Pioneer Corporation (1 from 2,647 patents)
14. Mitsubishi Jidosha Kogyo Kabushiki Kaisha (1 from 1,625 patents)
15. Mitsubishi Jukogyo Kabushiki Kaisha (1 from 1,326 patents)
58 patents:
1. 11964491 - Cartridge, printing material supply system, and printing apparatus
2. 11285725 - Cartridge, printing material supply system, and printing apparatus
3. 10240215 - Method for producing astaxanthin by fermentation
4. 9821557 - Cartridge, printing material supply system, and printing apparatus
5. 9605323 - Method for producing astaxanthin by fermentation
6. 9544401 - Device and method for data communication using a transmission ring buffer
7. 9266337 - Cartridge, printing material supply system, and printing apparatus
8. 9108417 - Cartridge and printing device
9. 9004659 - Liquid consumption apparatus, liquid supply member, and liquid supply system
10. 8955951 - Cartridge and printing device
11. 8931887 - Liquid consumption apparatus, liquid supply member, and liquid supply system
12. 8883443 - Method for producing zeaxanthin by fermentation
13. 8733915 - Cartridge
14. 8646889 - Cartridge and printing device
15. 8602521 - Cap device, maintenance device, and liquid ejecting apparatus