Average Co-Inventor Count = 2.67
ph-index = 6
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. Sankyo Seiki Mfg. Co., Ltd (4 from 264 patents)
2. Nidec Sankyo Corporation (3 from 729 patents)
3. Kabushiki Kaisha Sankyo Seiki Seisakusho (3 from 307 patents)
10 patents:
1. 8251293 - Card processing apparatus with liquid drain
2. 7281656 - Magnetic card transaction apparatus
3. 7185822 - IC card reader
4. 6991170 - Card ejecting mechanism
5. 6820806 - Manual card reader
6. 6659348 - Manual IC card reader and manual card reader
7. 6629643 - Magnetic card transaction apparatus
8. 6527187 - Card reader
9. 6149064 - IC card reader
10. 5612526 - Magnetic card reader