Average Co-Inventor Count = 2.20
ph-index = 5
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. Pioneer Electronic Corporation (8 from 2,861 patents)
2. Pioneer Corporation (2 from 2,646 patents)
3. Fit Design System Co., Ltd. (1 from 1 patent)
11 patents:
1. 8194942 - Authentication device and authentication method
2. 7885158 - Information recording apparatus, recording medium, and information recording method for recording information including characteristic information in correspondence to medium type information
3. 7394739 - Method and apparatus for recording/reproducing type information onto/from a plurality of locations on a recording medium, and recording medium having type information recorded thereon at a plurality of locations
4. 5566146 - Recording/apparatus and method utilizing a plurality of heads for
5. 5353379 - Information reproducing apparatus and game machine including the same
6. 5311324 - Apparatus with frame check capability for reproducing images by
7. 5297113 - Jump operation in two-head-type video disc player
8. 5260801 - Method of recording and reproducing video format signal using division
9. 5134500 - Video disk player with disk code demodulation using reproduced sync
10. 5084859 - Multi-magazine disc player
11. 4969135 - System of alternately operating disk players