Average Co-Inventor Count = 1.60
ph-index = 4
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. Kabushiki Kaisha Nippon Conlux (3 from 129 patents)
2. Nippon Conlux Co., Ltd. (2 from 81 patents)
3. Kabushiki Kaisha Nippon Coinco (2 from 43 patents)
4. Kabushiki Kaisha (1 from 26 patents)
8 patents:
1. 5189661 - Card carrier
2. 5107102 - Arrangement for detecting a signal for effecting a focus control of an
3. D320388 - Optical card reader/writer
4. D319634 - Optical card reader/writer
5. D319635 - Optical card reader/writer
6. 5023439 - Arrangement for detecting a signal for effecting a focus control of an
7. 4810863 - Read/write apparatus for information memory card
8. 4743745 - Optical memory card reader