Average Co-Inventor Count = 4.56
ph-index = 17
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. Hitachi, Ltd. (28 from 42,485 patents)
2. Hitachi America, Ltd. (6 from 169 patents)
3. Other (4 from 832,680 patents)
4. Hitachi Ulsi Systems Co., Ltd. (2 from 336 patents)
5. Hitachi Video Engineering, Incorporated (1 from 66 patents)
6. Hitachi Industry & Control Solutions, Ltd. (1 from 49 patents)
35 patents:
1. 9270951 - Camera system, monitoring camera control terminal, and protocol changing method
2. 8823817 - Camera management device and network camera system
3. 7643089 - Decoder device and receiver using the same
4. 7375761 - Receiver having motion picture data decoder
5. 6947660 - Motion picture recording/reproduction apparatus
6. 6807191 - Decoder for compressed and multiplexed video and audio data
7. 6710817 - Decoder device and receiver using the same
8. 6643453 - Motion picture recording/reproduction apparatus
9. 6477185 - Demultiplexing and decoding apparatus for coded audio and video data
10. 6452638 - Decoder device and receiver using the same
11. 6310654 - Decoder device and receiver using the same
12. 6141486 - Methods and apparatus for recording digital data including sync block
13. 6084637 - Decoding and displaying device for coded picture data
14. 5966385 - Decoder for compressed and multiplexed video and audio data
15. 5933567 - Method and apparatus for controlling the position of the heads of a